taxonID	type	description	language	source
03DA8015127DFFFAC653C867E5B6F8C6.taxon	type_taxon	Type genus Pleioplana Faubel, 1983	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127DFFFAC653C867E5B6F8C6.taxon	diagnosis	Diagnosis Pleioplanidae (after Faubel 1983, emended): Leptoplanoidea with varying body outline. Ruffled pharynx arranged centrally or anteriorly. Male copulatory apparatus directed backwards or forwards, posterior to the pharynx. Prostatic vesicle with numerous chambers giving a citrus-like (atomata - type) appearance in cross section. Lang vesicle present or absent.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF9C6ACCF7DE68FFC4C.taxon	description	urn: lsid: zoobank. org: act: DFBD 1007 - F 9 CA- 46 D 8 - 8 A 8 A- 9827 B 9045040	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF9C6ACCF7DE68FFC4C.taxon	description	Figs 1 – 4, 6 A – B	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF9C6ACCF7DE68FFC4C.taxon	type_taxon	Type species Laqueusplana bocki gen. et sp. nov.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF9C6ACCF7DE68FFC4C.taxon	diagnosis	Diagnosis Pleioplanidae with tentacular and cerebral eye clusters; without tentacles. Male copulatory apparatus directed forward. Seminal vesicle and / or spermiducal bulbs present; penis duct forms a loop between prostatic vesicle and pharynx. Penis stylet long and pointed. Female apparatus usually with vagina bulbosa; Lang’s vesicle present.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF9C6ACCF7DE68FFC4C.taxon	etymology	Etymology The name Laqueusplana refers to the term “ laqueus ”, Latin for loop. This is in reference to the loop that the stylet makes between the prostatic vesicle and the pharynx in this genus.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF9C6ACCF7DE68FFC4C.taxon	discussion	Other species of the genus Pleioplana megala (Marcus, 1952) also has a forward directed male copulatory system and shows a loop between the prostatic vesicle and the pharynx. Therefore, it must be transferred to the new genus Laqueusplana gen. nov.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	description	urn: lsid: zoobank. org: act: 0467 FB 7 F- 9254 - 49 E 8 - AE 5 F-D 02 BC 2 CE 89 B 6 Figs 1 – 3, 6 A	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	etymology	Etymology The name of the species is dedicated to Sixten Bock, famous Swedish invertebrate zoologist (1884 – 1946).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	materials_examined	Material examined Holotype SPAIN: sagittally sectioned, stained with Azan, Jan. 2012 (MNCN 4.01 / 1118 a 1150, 34 slides). Paratype SPAIN: 1 sagittally sectioned specimen, stained with Azan, among mussels at a depth of nearly 6 meters, Dec. 2013, 42 º 33.7760 ′ N, 08 º 59.3090 ′ W (MNCN 4.01 / 1151 a 1189, 40 slides).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	distribution	Type locality SPAIN: Galicia, Club Náutico de Riveira, among mussels on a pontoon between half to one meter depth, 42 º 33.7670 ′ N, 08 º 59.2860 ′ W.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	description	Description Living worms 25 mm long and 7 mm wide. Body shape elongated, of fleshy consistency, broader anteriorly, then stretching to form a slightly pointed posterior end; few smooth marginal undulations (Fig. 1 A – C). Dorsal surface with pale beige ground colour and evenly distributed dark brown spots, except in pharyngeal and genital regions; body margin transparent and spot-free (Fig. 1 A). Tentacles absent; instead tentacular eyes present in two rounded clusters. Cerebral eyes form two elongated groups (between 15 and 17 eyes) next to tentacular eyes; marginal or frontal eyes lacking (Fig. 1 A). Ventral surface pale brown, almost transparent. Bilobated brain with two symmetrical lobes located ventral to eyes. Pharynx occupies middle third of body, with oral pore opening ventrally in its medial region. Male and female genital pores well separated, opening at beginning of last third of body. Ovaries well developed, lying dorsally between intestinal branches. Testes ventral. MALE REPRODUCTIVE SYSTEM. Male copulatory organ consists of an interpolated prostatic vesicle, a true seminal vesicle and a penis papilla with a long, slender stylet, and is located almost immediately behind pharyngeal cavity (Fig. 2 C). Testes located ventrally, sometimes observed between intestinal branches. Vasa deferentia run ventrally along both sides of posterior body region, swelling in spermiducal vesicles before entering seminal vesicle proximally. Seminal and prostatic vesicles forward directed (Fig. 2 A). Seminal vesicle with thick muscular walls, connected to prostatic vesicle by short and narrow ejaculatory duct (Fig. 2 D). Ejaculatory duct projects proximally into prostatic vesicle, crosses it and opens near distal end. Prostatic vesicle oval-shaped, enlarged and covered with strong muscular layers. Prostatic vesicle internally subdivided into at least eight parallel tubular chambers extending from proximal end, giving characteristic citrus-like appearance (Figs 2 D, 3 A). Extravesicular glands can be found lining proximal end of prostatic vesicle (Fig. 2 A). Long coiled stylet emerges from distal end of prostatic vesicle, forms characteristic spiral-like loop between prostatic vesicle and pharynx, turns backwards and opens dorso-ventrally into male atrium (Figs 2 A – D, 3). Small conical-shaped penis papilla housed within ciliated atrium (Fig. 2 B). FEMALE REPRODUCTIVE SYSTEM. Female system consists of external and internal vaginas, oviducts, uteri and Lang’s vesicle (Fig. 2 C). Muscular external vagina, or vagina bulbosa, lined with cuboidal epithelium with fringe-like extensions. Vagina bulbosa narrows distally, then extends dorsally or anteriorly towards male copulatory system before reaching internal vagina. Internal vagina turns posteriorly and runs dorsally to posterior end. Oviducts lead separately into common receptacle at proximal end of internal vagina. Numerous shell and cement glands open in region surrounding both vaginas. After receiving oviducts, vagina continues into enlarged Lang’s vesicle that extends posteriorly, sometimes reaching posterior end of animal (Fig. 2 E).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	diagnosis	Differentional diagnosis Due to the presence of a prostatic vesicle filled with tubular chambers (atomata - type), separated gonopores and a vagina bulbosa, the genus Laqueusplana gen. nov. belongs to the family Pleioplanidae. However, the presence of a long stylet with a spiral loop and a of forward directed male copulatory system justifies the erection of a new genus within this family. Species of the genera Izmira Bulnes, 2010, Melloplana Faubel, 1983 and Persica Maghsoudlou et al., 2015 share some characteristics of the Pleioplanidae family, mainly the presence of an atomata - type prostatic vesicle. However, these genera can be differentiated from the genus Laqueusplana gen. nov. et by the following: Izmira lacks cerebral eyes and Lang’s vesicle and has a backwards directed male copulatory system and a penis rod; Melloplana is characterized by the presence of an unarmed, muscular penis papilla and Persica presents distinct characteristics such as the presence of nuchal tentacles, a male copulatory organ wrapped in a muscular bulb and an elongated stylet. Laqueusplana gen. nov. and Pleioplana Faubel, 1983 are morphologically most closely related to each other, which is reflected in a number of shared characteristics. Externally, both have an elongated body with pale ground colour, two clusters of both tentacular and cerebral eyes and lack tentacles. They also possess a ruffled pharynx that occupies the middle third of the body and a copulatory system that begins posterior to the pharynx. Laqueusplana gen. nov., unlike Pleioplana, has the seminal and prostatic vesicles directed forward and a longer, coiled stylet situated between the pharynx and prostatic vesicle. The female copulatory system of the genus Laqueusplana gen. nov. consists of a well-developed vagina bulbosa and an enlarged Lang’s vesicle, which sometimes reaches the posterior end of the animal. In general, the female system in this genus is larger than those of other Pleioplanidae genera. Pleioplana and Melloplana show a similar female system as Laqueusplana gen. nov., although smaller in size, while Izmira and Persica present a shorter female track and a complete absence of Lang’s vesicle.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	biology_ecology	Biology Live specimens have rapid scrolling movements and, when stressed, are able to swim by rotating the body, orienting the ventral body surface towards the water surface, and shaking the body while waving its edges.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	discussion	Remarks During the study and analysis of Laqueusplana bocki gen. et sp. nov. and similar species we discovered that in the description of Notoplana atomata of Bock (1913: 202), this author mentioned that some individuals in his material showed a long stylet forming a loop. However, in his reconstruction of Notoplana atomata (Bock 1913: 201, fig. 39) this author did not draw a stylet with a loop or a prostatic vesicle directed forward, but he photographed a specimen (Bock 1913: table XX, fig. 3) with these characteristics. This fact means that Bock took note of the outstanding features of the new genus Laqueusplana gen. nov., but probably due to the scarcity of material did not give it any importance and considered the differences as exceptions or artefacts of fixation that did not allow the establishment of new species. Nevertheless, it is clear that of Laqueusplana gen. nov. was present in the study of Bock but it wasn’t described; therefore, we dedicate the new species to this great specialist of Polycladida.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015127EFFF4C662CA50E5E4FB7F.taxon	distribution	Distribution Laqueusplana bocki gen. et sp. nov. has only been found along the north-western Atlantic coast of Galicia, Spain. Notably, within the family Pleioplanidae (4 genera and 13 species), Pleioplana atomata (O. F. Müller, 1776) and Laqueusplana bocki gen. et sp. nov. are the only representatives of the family found along European Atlantic coasts. Nonetheless, further research must be done to determine the entire distribution range of the new species.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151273FFF2C5D7CA85E406FC11.taxon	description	Figs 1, 4, 6 B	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151273FFF2C5D7CA85E406FC11.taxon	materials_examined	Examined material One mature, sagittally sectioned specimen from the invertebrate collection of the Swedish Museum of Natural History in Stockholm (Sweden), Cat Nr: SMNH 109094 to 109096 (3 slides).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151273FFF2C5D7CA85E406FC11.taxon	distribution	Type locality BRAZIL: Island of São Sebastião.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151273FFF2C5D7CA85E406FC11.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Without mottled background. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present (Fig. 1 D). Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters (Fig. 1 E). Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM (Fig. 4 A – E). Single male pore. Male copulatory apparatus not enclosed within muscular bulb, oriented forward and located in last body third. Ejaculatory duct with spiralshaped stylet (forming a loop between prostatic vesicle and pharynx). Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM (Fig. 4 A – D). Vagina elongated, tube-like, looping towards male complex. Bulbous Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151273FFF2C5D7CA85E406FC11.taxon	biology_ecology	Biology Specimens found on algae from the upper littoral zone.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151273FFF2C5D7CA85E406FC11.taxon	distribution	Distribution Ilha de São Sebastião, Ubatuba (São Paulo State), Brazil.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFF2C6AECDBFE456F93D.taxon	description	Fig. 5 A – F	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFF2C6AECDBFE456F93D.taxon	type_taxon	Type species Pleioplana atomata (O. F. Müller, 1776) (individuals with straight stylets).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFF2C6AECDBFE456F93D.taxon	diagnosis	Diagnosis Pleioplanidae with tentacular and cerebral eye clusters; without tentacles. Male copulatory apparatus directed backwards. Seminal vesicle and / or spermiducal bulbs present. Penis duct continuous with a short (thick or thin) penis stylet. Female apparatus usually with vagina bulbosa; Lang’s vesicle present.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFEFC608C8C3E552FE70.taxon	description	Fig. 5 A	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFEFC608C8C3E552FE70.taxon	materials_examined	Material examined One mature, sagittally sectioned specimen deposited in the invertebrate collection of the Museo Nacional de Ciencias Naturales de Madrid (Spain). Cat Nr: MNCN 4.01 / 763 to MNCN 4.01 / 834 (72 slides).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFEFC608C8C3E552FE70.taxon	distribution	Type locality NORWAY.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFEFC608C8C3E552FE70.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Heterogeneous mottled background with maculae or patches. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located at end of first body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in the posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in last body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Enlarged Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFEFC608C8C3E552FE70.taxon	biology_ecology	Biology Commonly found along coastal shores, mainly under stones.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151275FFEFC608C8C3E552FE70.taxon	distribution	Distribution Along the northern Atlantic.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEFC666CF9CE6D3F997.taxon	description	Fig. 5 B	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEFC666CF9CE6D3F997.taxon	distribution	Type locality THAILAND: Gulf of Thailand.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEFC666CF9CE6D3F997.taxon	description	Description Body shape oval. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with spots and dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in last body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle without projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs absent. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Enlarged Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEFC666CF9CE6D3F997.taxon	distribution	Distribution Gulf of Thailand.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEEC634C83DE57CFBEE.taxon	description	Fig. 5 C	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEEC634C83DE57CFBEE.taxon	distribution	Type locality JAPAN: Misaki.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEEC634C83DE57CFBEE.taxon	description	Description Body shape elongated. Cryptic colour. Translucent dorsal appearance. Longitudinal median line highlighted by concentration of spots. Heterogeneous mottled background with spots and dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in last body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Enlarged Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEEC634C83DE57CFBEE.taxon	biology_ecology	Biology Found along the coast during the low tide.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151268FFEEC634C83DE57CFBEE.taxon	distribution	Distribution Shirahama (Prov. Awa), Japan.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151269FFEDC619CAF2E4D6FC1E.taxon	description	Fig. 5 D	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151269FFEDC619CAF2E4D6FC1E.taxon	distribution	Type locality USA: Monterey Bay, Monterey, California.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151269FFEDC619CAF2E4D6FC1E.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with spots and dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Male and female gonopores located in a common pore. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in last body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at the proximal end of the prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards the male complex. Enlarged Lang’s vesicle. Paired uterus. One pair of uterine vesicles. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151269FFEDC619CAF2E4D6FC1E.taxon	biology_ecology	Biology Found during low tide between rocks and sand.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151269FFEDC619CAF2E4D6FC1E.taxon	distribution	Distribution California, USA.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151269FFEDC619CAF2E4D6FC1E.taxon	discussion	Note Pleioplana inquieta Heath & McGregor, 1912, considered synonymous with P. californica by Hyman (1953). According to Hyman, P. inquieta not only shows the same morphological features as P. californica, but also shares the same habitat and distribution, namely Monterey Bay, California. Therefore, in this review, P. inquieta is considered a synonym of P. californica.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126AFFECC5E3CDA2E681FEE0.taxon	description	Fig. 5 E	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126AFFECC5E3CDA2E681FEE0.taxon	distribution	Type locality TURKEY: Altinkum, Bosphorus Strait (Bosphorus).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126AFFECC5E3CDA2E681FEE0.taxon	description	Description Body shape oval. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with spots and dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within a muscular bulb, oriented backwards and located in last body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. External (or false) seminal vesicle absent. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Bulbous Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126AFFECC5E3CDA2E681FEE0.taxon	biology_ecology	Biology Found on a hard bottomed mussel bed of Mytilus galloprovincialis.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126AFFECC5E3CDA2E681FEE0.taxon	distribution	Distribution Bosporus Strait, Turkey.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFECC5D2CF0CE681FA50.taxon	description	Fig. 5 F	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFECC5D2CF0CE681FA50.taxon	distribution	Type locality TURKEY: Altinkum, Bosphorus Strait (Bosporus).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFECC5D2CF0CE681FA50.taxon	description	Description Body shape oval. Cryptic colour. Translucent dorsal appearance. Longitudinal median line not outstanding. Heterogeneous mottled background with spots and dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in last body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs absent. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Bulbous Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFECC5D2CF0CE681FA50.taxon	biology_ecology	Biology Found on a hard bottomed mussel bed of Mytilus galloprovincialis.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFECC5D2CF0CE681FA50.taxon	distribution	Distribution Bosporus Strait, Turkey.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFEBC687C87CE556FEC4.taxon	description	Fig. 5 G – H	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFEBC687C87CE556FEC4.taxon	type_taxon	Type species Izmira cinari Bulnes, 2010.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFEBC687C87CE556FEC4.taxon	diagnosis	Diagnosis (after Bulnes 2010) Pleioplanidae, oval to elongated, without tentacles. Tentacular eyes present; cerebral, frontal and marginal eyes absent. Male apparatus oriented backwards with a true seminal vesicle, interpolated true citrus-type prostatic vesicle, without stylet and with a penis rod. Female apparatus with vagina bulbosa; Lang’s vesicle absent.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126BFFEBC687C87CE556FEC4.taxon	discussion	Valid species: Izmira cinari Bulnes, 2010. Izmira turkeyi Bulnes, 2010.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEBC65FCFE8E576F99A.taxon	description	Fig. 5 G	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEBC65FCFE8E576F99A.taxon	distribution	Type locality TURKEY: Izmir Bay, Aegean Sea.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEBC65FCFE8E576F99A.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Longitudinal median line highlighted by concentration of spots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes absent. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores located very close to each other (in same body third). MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in second body third. Ejaculatory duct unarmed, without stylet, but with penis rod. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like and oriented backwards. Lang’s vesicle absent. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEBC65FCFE8E576F99A.taxon	biology_ecology	Biology Found in sublittoral mussel beds of Mytilus galloprovincialis.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEBC65FCFE8E576F99A.taxon	distribution	Distribution Bosporus, Aegean Sea, Turkey.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEAC655C826E6EAFC5B.taxon	description	Fig. 5 H	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEAC655C826E6EAFC5B.taxon	distribution	Type locality TURKEY: Alsancak Harbour, Izmir Bay, Aegean Sea.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEAC655C826E6EAFC5B.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes absent. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores located very close to each other (in same body third). MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in second body third. Ejaculatory duct unarmed, without stylet, but with penis rod. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like and oriented backwards. Lang’s vesicle absent. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEAC655C826E6EAFC5B.taxon	biology_ecology	Biology Found in sublittoral mussel beds of Mytilus galloprovincialis.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126CFFEAC655C826E6EAFC5B.taxon	distribution	Distribution Aegean Sea, Turkey.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFEAC5DECA66E256FA07.taxon	description	Fig. 5 I	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFEAC5DECA66E256FA07.taxon	type_taxon	Type and only species Persica qeshmensis Maghsoudlou, Bulnes & Rahimian, 2015.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFEAC5DECA66E256FA07.taxon	diagnosis	Diagnosis Pleioplanidae with tentacular and cerebral eye clusters; with small nuchal tentacles. Male copulatory apparatus directed backwards. Seminal vesicle and / or spermiducal bulbs present. Penis duct continuous with a long penis stylet. Female apparatus usually with vagina bulbosa; Lang’s vesicle absent.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFE9C589CBAAE6CCFCCD.taxon	description	Fig. 5 I	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFE9C589CBAAE6CCFCCD.taxon	distribution	Type locality IRAN: Persian Gulf, Qeshm Island.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFE9C589CBAAE6CCFCCD.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with dots. Smooth dorsal surface. Nuchal tentacles present, small. Tentacular knobs absent. Marginal eyes absent. Tentacular eyes at base of or within tentacles. Dorsal and ventral frontal eyes absent. Cerebral eyes in two clusters. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus enclosed within muscular bulb, oriented backwards and located in second body third. Ejaculatory duct with straight stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs present. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Lang’s vesicle absent. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFE9C589CBAAE6CCFCCD.taxon	biology_ecology	Biology Found in the intertidal zone along the Iranian coast of the Persian Gulf.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126DFFE9C589CBAAE6CCFCCD.taxon	distribution	Distribution Iran, Persian Gulf.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE9C6A2CDD0E50DFA55.taxon	description	Fig. 6 C – D	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE9C6A2CDD0E50DFA55.taxon	type_taxon	Type species Melloplana ferruginea (Schmarda, 1859).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE9C6A2CDD0E50DFA55.taxon	diagnosis	Diagnosis (after Faubel 1983) Pleioplanidae with tentacular and cerebral eye-spots; tentacles lacking. Male copulatory apparatus oriented backwards with seminal vesicle, without stylet and with penis papilla. Female apparatus usually with vagina bulbosa. Lang’s vesicle present.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE7C602C87BE66AFB7F.taxon	description	Fig. 6 C	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE7C602C87BE66AFB7F.taxon	distribution	Type locality BERMUDA: Long Bird Island.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE7C602C87BE66AFB7F.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Homogeneous mottled background with dots. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two groups. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in second body third. Ejaculatory duct unarmed, without stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle without projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs absent. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Enlarged Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE7C602C87BE66AFB7F.taxon	biology_ecology	Biology Found under stones and on algae, e. g., Halimeda.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA8015126EFFE7C602C87BE66AFB7F.taxon	distribution	Distribution Bermuda.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151260FFE6C66CCA82E27EFB16.taxon	description	Fig. 6 D	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151260FFE6C66CCA82E27EFB16.taxon	distribution	Type locality JAPAN: Kanayama (Yuzaki, Yunosaki).	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151260FFE6C66CCA82E27EFB16.taxon	description	Description Body shape elongated. Cryptic colour. Opaque dorsal appearance. Longitudinal median line not outstanding. Without mottled background. Smooth dorsal surface. Nuchal tentacles absent. Tentacular knobs present. Marginal eyes absent. Tentacles absent; instead tentacular eyes present in rounded and compact clusters. Dorsal and ventral frontal eyes absent. Cerebral eyes in two groups. Pharynx located in second or last body third, strongly ruffled and ventrally oriented. Oral pore position in second body third and in posterior region of pharynx. Intestine with numerous branches without anastomosis. Intestinal vesicles absent. Gonopores clearly separated. MALE REPRODUCTIVE SYSTEM. Single male pore. Male apparatus not enclosed within muscular bulb, oriented backwards and located in second body third. Ejaculatory duct unarmed, without stylet. Prostatic vesicle interpolated. Connection between ejaculatory duct and prostatic vesicle with projection. Internal glandular lining of prostatic vesicle with tubular chambers. Extravesicular prostatic secretion. Prostatic glands located at proximal end of prostatic vesicle. Seminal vesicle simple or spindle-like. Spermiducal bulbs absent. FEMALE REPRODUCTIVE SYSTEM. Vagina elongated, tube-like, looping towards male complex. Enlarged Lang’s vesicle. Paired uterus. Uterine vesicles absent. Tube-like cement chamber. Endolecithal eggs.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151260FFE6C66CCA82E27EFB16.taxon	biology_ecology	Biology Specimens were collected from the undersurface of stones deeply embedded in the sand at low tide during spring and summer.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151260FFE6C66CCA82E27EFB16.taxon	distribution	Distribution Japan.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
03DA80151260FFE6C66CCA82E27EFB16.taxon	discussion	Phylogenetic analysis The obtained tree had a length of 55 steps and had the following values: Consistency index (CI) = 0.6000; Homoplasy index (HI) = 0.4000; CI excluding uninformative characters = 0.5417; HI excluding uninformative characters = 0.4583; Retention index (RI) = 0.5510 and Rescaled consistency index (RC) = 0.3306. The recovered topologies from both trees (MP and NJ) support the genus Persica as the sister taxon of all other family members (Fig. 7). In addition, the genera Melloplana, Pleioplana and Laqueusplana gen. nov. group together in a well-supported clade (BP = 100), with Izmira as the sister group of this clade. Furthermore, based on the NJ tree, Pleioplana atomata and the two species belonging to Laqueusplana gen. nov. show greater similarity to the Melloplana species than to the other Pleioplana species.	en	Rodríguez, Jorge, Grande, Cristina, Bulnes, Natalia Veronica, Almon, Bruno, Perez, Jacinto, Noreña, Carolina (2017): Systematic revision of the family Pleioplanidae Faubel, 1983 (Polycladida, Acotylea): new genus and combinations. European Journal of Taxonomy 264 (264): 1-30, DOI: 10.5852/ejt.2017.264
