taxonID	type	description	language	source
6513D5AD58DA5806BDC7AD26AD3B6AA5.taxon	description	Fig. 14	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
6513D5AD58DA5806BDC7AD26AD3B6AA5.taxon	description	Description. small Stylochoplanidae, with lengths varying between 3 mm and 8 mm (4.33 ± 1.66 mm). Body shape elongated much wider in the anterior region and at the blunt posterior end (Fig. 14 A). Dorsal colour differs from dark brown to dark green, with white or cream spots along the central longitudinal area. Conspicuous, cylindrical tentacles located at the anterior end to the beginning of body narrowing. Tentacular eyes (approximately 6 eyes per cluster) inside the tentacles and cerebral eyes (16 eyes per cluster) around the base of the tentacles. (Fig. 14 B). Pharynx ruffled, located more or less central. Oral pore situated in the posterior part of the pharynx. Genital pores joining in a common atrium (Fig. 14 C – E).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
6513D5AD58DA5806BDC7AD26AD3B6AA5.taxon	distribution	Distribution. Widely known from the Mediterranean, this species was reported in Naples, Italy (Lang 1884), the coasts of Catalonia (Novell 2001), and the Atlantic coasts of Europe, such as Galicia (Aguado et al. 2017), the North Sea (Karez 1991; Harms 1993), and the British coasts (Howson and Picton 1997). This is the first report of this species in Portugal and Andalusia.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C8F4F9F11BA95CABB5E1CEDF992438F3.taxon	description	Fig. 16	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C8F4F9F11BA95CABB5E1CEDF992438F3.taxon	description	Description. Living specimens between 11 mm and 39 mm in length (21.45 ± 9.51). Body shape oval, with rounded anterior and posterior ends. Dorsal surface smooth, light brown with many dark brown spots throughout the body, more concentrated in the main axis (Fig. 16 A). Ventral face pale brown without spots (Fig. 16 B). Without tentacles. Marginal, tentacular, and cerebral eyes present (Fig. 16 C). Tentacular clusters with approximately 21 eyes each, and cerebral clusters with 32 eyes each. Pharynx ruffled, centrally positioned, and with deep pharyngeal folds. Oral pore opens at the end of the first third of the pharynx. Male and female systems open into a common genital atrium between the second and the last third of the body.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C8F4F9F11BA95CABB5E1CEDF992438F3.taxon	distribution	Distribution. This species has a wide distribution within the Mediterranean Sea and the Atlantic. The localities where Discocelis tigrina was reported are Sicily (Blanchard 1847); the Gulf of Naples (Lang 1884); the Peninsula de Rio de Oro, Western Sahara, and Port-Étienne; Mauritania (Palombi 1939); the coast of Catalonia (Novell 2001 Gammoudi and Tekaya 2012); the Canary Islands (De Vera et al. 2009; Cuadrado et al. 2017); Asturias (Marquina et al. 2014 b); Galicia (Noreña et al. 2015); and Tunisia (Gammoudi and Tekaya 2012; Gammoudi et al. 2012; Gammoudi et al. 2017). This is the first record of this species in Portugal (Avencas, Arrabida, Troia, Lagos, and Faro) and Andalusia.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
0201B053C7EE5DFCA7D5F4952B7732A8.taxon	description	Fig. 10	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
0201B053C7EE5DFCA7D5F4952B7732A8.taxon	distribution	Distribution. As previously explained, Echinoplana celerrima is widely distributed on the southeastern coast of Australia (Haswell 1907; Prudhoe 1982; Johnston and Lee 2008; Rodríguez et al. 2021), Livorno, Italy (Galleni 1978), New Zealand (Holleman 2007), Tunisia (Gammoudi et al. 2009, 2017), and Catalonia, Spain (Gammoudi and Tekaya 2012). Our specimens provide the first reports of this species on the North-Atlantic shores of Portugal and Andalusia (Spain).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C1C16CCE1D9651B89B417D564C77D604.taxon	description	Fig. 13	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C1C16CCE1D9651B89B417D564C77D604.taxon	diagnosis	Diagnosis. Elongated oval Stylochoplanidae with yellowish brown colour; tentacles absent; gonopores separated; with spermiducal bulbs and tubular seminal vesicle; interpolated prostatic vesicle pear-shaped, with smooth irregular epithelium; female apparatus with vagina bulbosa; without Lang’s vesicle.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C1C16CCE1D9651B89B417D564C77D604.taxon	description	Description. Elongated oval body, with few marginal folds. Dorsal colouration yellowish-brown with a translucent appearance and intense pigmentation in the pharyngeal region (Fig. 13 A, B). Intestinal branches patent. Ventral side yellowish-brown. Without tentacles. Clusters of tentacular and cerebral eyes located anterior to the brain, with 19 tentacular eyes and 21 cerebral eyes per cluster (Fig. 13 C). Few cerebral eyes posterior to the brain. Pharynx ruffled in the first half of the body, and the oral pore in the second third of the pharynx. Gonopores separated (0.9 mm) and positioned immediately behind the pharynx.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
C1C16CCE1D9651B89B417D564C77D604.taxon	etymology	Etymology. The specific name refers to Onuba, the Latin name of Huelva, the area where the holotype was collected.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
502736DFA8E35F54ABBF1ECFFA38F127.taxon	description	Fig. 12	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
502736DFA8E35F54ABBF1ECFFA38F127.taxon	diagnosis	Diagnosis. Pleioplanidae with transparent body; tentacles absent; with cerebral eyes, gonopores separated; small and bean-shaped seminal vesicle; prostatic vesicle oval; elongated penis papilla; female apparatus with a vagina bulbosa.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
502736DFA8E35F54ABBF1ECFFA38F127.taxon	description	Description. Body shape elongated and delicate, widened anteriorly and tapered distally. The mature specimen is approximately 21 mm long when alive, while the juvenile specimen is approximately 13 mm in length. Dorsal surface transparent, brownish-coloured intestinal branches easily observable (Fig. 12 A), central longitudinal area lacks pigmentation. Ventral side translucent. Tentacles absent. Paired clusters of tentacular and cerebral eyes present, with approximately 28 tentacular eyes and 42 cerebral eyes in each cluster (Fig. 12 B). Pharynx ruffled and centrally located between the second and third fourths of the body, oral pore at the beginning of the last third of the pharynx. Gonopores separated and located between the third and the last fourth of the body.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
502736DFA8E35F54ABBF1ECFFA38F127.taxon	etymology	Etymology. The specific name refers to Lusitania, the original Roman name of the region from Portugal where the holotype was collected.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
BD6C352DBCB45E7EAB456F08A129D83C.taxon	description	Fig. 8	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
BD6C352DBCB45E7EAB456F08A129D83C.taxon	description	Description. Elongated worm, wider in the anterior end and narrower in the posterior end. Length between 11 mm and 31 mm (18.42 ± 4.58 mm). Ground colour of the dorsal surface, beige brownish in the pharynx area (Fig. 8 A). Tentacles absent. A whitish colour is observed in the brain area, allowing clear observation of approx. 35 cerebral and 26 tentacular eye clusters (Fig. 8 B). Ruffled pharynx between the first and second thirds of the body, mouth opening in the last third. Genital pores separated (approximately 0.33 mm) and located just behind the pharynx.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
BD6C352DBCB45E7EAB456F08A129D83C.taxon	distribution	Distribution. Widely distributed along the Mediterranean coasts, L. mediterranea was reported as L. tremellaris “ forma mediterranea ” in Palermo (Grube 1840), Naples (Lang 1884; Palombi 1936), the Gulf of Lyon (Pruvot 1897), Trieste (Micoletzky 1910), Port Said (Palombi 1928), the Adriatic Sea (Steinböck 1933), the Italian coasts (Galleni and Gremigni 1989), and Catalonia (Novell 2001. Tunisia (Gammoudi et al. 2012, 2017); Mar Menor, SE Spain (Marquina et al. 2014 a); and the southern plus western Iberian Peninsula (present study). This is the first record of L. mediterranea in Oporto (Portugal).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
A6FEA57C5A67535FB3987E19E8581CD0.taxon	description	Fig. 11	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
A6FEA57C5A67535FB3987E19E8581CD0.taxon	description	Description. Notoplanidae with elongated and narrow body, very delicate and fragile appearance. Maximum length alive approximately 23 mm (mean 16.7 ± 5.41). Without tentacles. Transparent, whitish background colour, sometimes with a yellowish spot in the pharynx area (Fig. 11 A). Visible intestinal branches colouring the dorsal surface with brownish or dark green shades. Paired tentacular and cerebral eye clusters present, with 9 tentacular and 17 cerebral eyes in each cluster (Fig. 11 B). Pharynx ruffled, located between the first and second thirds of the body. Mouth opening in the last third of the pharynx. Gonopores separated but very close together (at 0.1 mm distance) behind the pharyngeal cavity (Fig. 11 D, E).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
A6FEA57C5A67535FB3987E19E8581CD0.taxon	distribution	Distribution. This species was reported for the first time in Corfu, Greece (Schmidt 1861) and later in Trieste, Italy (Minot 1876; Micoletzky 1910), Naples, Italy (Lang 1884), Cape Verde (Laidlaw 1906), and Tunisia (Gammoudi et al. 2017). The presence of this species in the Iberian Peninsula is reported for the first time.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
AC5692C215165C0894E9C63936F725C8.taxon	description	Fig. 9	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
AC5692C215165C0894E9C63936F725C8.taxon	description	Description. Parviplana species with elongated body shapes, dorsal background colour yellow-brown, ventrally pale yellow. Paired cerebral and tentacular eyes. Genital pores separated. Male apparatus with a true seminal vesicle, interpolated and bulb-shaped prostatic vesicle, and massive penis papilla, while the female system shows a vagina bulbosa and a well-developed Lang’s vesicle (for more details, see Pérez-García et al. 2019).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
AC5692C215165C0894E9C63936F725C8.taxon	distribution	Distribution. only known from several localities on the coasts of Cadiz, southern Spain (see Pérez-García et al. 2019).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
1AA8FACBB6AA57D9B3C241AE22B7D8C2.taxon	description	Fig. 15	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
1AA8FACBB6AA57D9B3C241AE22B7D8C2.taxon	description	Description. Stylochoplanidae with elongated body, wider anteriorly, and folded within the margins. Length between 24 mm and 13 mm (19.3 ± 5.69). Colour of the dorsal surface light brown with yellowish spots (Fig. 15 A, C). Ventral surface pale brown. Tentacles absent. Tentacular and cerebral eyes arranged in two clusters, with approximately 15 tentacular eyes and 27 cerebral eyes in each cluster (Fig. 15 B, D). Pharynx ruffled, positioned slightly anteriorly, between the first and second thirds of the body. Opening of the mouth in the last third of the pharynx. Genital pores separated. Male copulatory apparatus composed of a true seminal vesicle, an interpolated prostatic vesicle, and a penis papilla with a penis rod. Female complex consists of a well-developed external vagina (vagina bulbosa) and reduced Lang’s vesicle (for more details, see Pérez-García et al. 2019).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
20A780117B1F5DA498B1B523A826DA77.taxon	description	Figs 6, 7	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
20A780117B1F5DA498B1B523A826DA77.taxon	diagnosis	Diagnosis. Plehniidae with a yellowish-brown background colour and multiple brown spots scattered on the dorsal surface; pale yellow ventral body; well-separated gonopores; penis papilla characterised by a cap-shaped connective tissue; wide external vagina; and very long internal vagina.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
20A780117B1F5DA498B1B523A826DA77.taxon	description	Description. Plehniidae with fleshy and elongated body shape, rounded anteriorly and posteriorly, with high thickness. Length of voucher specimens varies between 4 and 6 mm fixed (average of 6.25 ± 2.06 mm). Ground colouration yellowish-brown with numerous brown spots scattered across the dorsal surface (see Fig. 6 A, B). Ventral side pale yellow. Nuchal tentacles present (Fig. 6 D). Tentacular eyes arranged in two clusters, located just under the tentacles. Small cerebral eyes in two clusters, extending from the tentacle to the anterior margin (Fig. 6 C). Frontal eyes scattered at the anterior body margin. Ruffled pharynx positioned between the second and third regions. Genital pores separated and posterior to the pharyngeal pocket. Ovaries dorsal to the testes.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
20A780117B1F5DA498B1B523A826DA77.taxon	etymology	Etymology. The specific name is dedicated to Cascais, the area where the holotype was collected.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
20A780117B1F5DA498B1B523A826DA77.taxon	distribution	Distribution. only known from Cascais, Portugal.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
4939B452948250D989766873C18F1310.taxon	description	Fig. 4	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
4939B452948250D989766873C18F1310.taxon	diagnosis	Diagnosis. Body shape is oval with rounded anterior and posterior ends. Orange-brown dorsal background; numerous dark brown and whitish dots scattered on the dorsal surface; visible line of white dots along the main body axis; ventral surface pale orange; gonopores well-separated; with spermiducal bulbs; opening of the sperm duct distally located; penis papilla short.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
4939B452948250D989766873C18F1310.taxon	description	Description. Oval-shaped Stylochidae, with rounded anterior and posterior ends, fleshy, 71 mm in length (65.75 ± 39.76 mm) and 63 mm in width. Margins mostly smooth. Background colouration orange-brown, with multiple dark brown and white dots on the dorsal surface (as shown in Fig. 4 A). Additionally, a conspicuous line of white dots extends along the central axis of the body. Ventrally pale orange (Fig. 4 B). Nuchal conical tentacles transparent, with tentacular eyes at the base and tips (Fig. 4 C). Poorly visible cerebral eyes in two scattered clusters between the tentacles. Marginal eyes along the entire body margin. Pharynx ruffled centrally. Oral pore at the centre of the pharynx. Reddish, conspicuous gonopores well-separated (0.6 mm) posteriorly located.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
4939B452948250D989766873C18F1310.taxon	etymology	Etymology. Named after Erytheia, a small island where the Phoenicians settled approximately 1100 BC. This area is where the beach of La Caleta is located, the type locality of the new species.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
4939B452948250D989766873C18F1310.taxon	distribution	Distribution. This species has only been found in La Caleta, Cadiz, Spain.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
05CA7B101DE5591284447BD8866A8D20.taxon	description	Fig. 5	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
05CA7B101DE5591284447BD8866A8D20.taxon	diagnosis	Diagnosis. Oval-shaped worm with flattened anterior and tapered posterior ends. Pinkish colouration and pale pink spots scattered on the dorsal surface; black spots dispersed along the margins and at the base of the tentacles; margins whitish; ventral body pale pink; gonopores separated in last body third; with spermiducal bulbs; opening of the ejaculatory duct medially within the penis papilla; penis papilla elongated; male and female atrium ciliated.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
05CA7B101DE5591284447BD8866A8D20.taxon	description	Description. Oval shaped Stylochidae with flattened anterior and tapered posterior ends. Firm corporal thickness. Dorsal pigmentation pinkish, with scattered pale pink spots (Fig. 5 A). Whitish margins with some folds and black mottling. Ventral surface pale pink (Fig. 5 B). Transparent, conical nuchal tentacles (Fig. 5 C) on either side of the cerebral lobes. Tentacular eyes situated at the base and tips of the tentacles. Two elongated clusters of cerebral eyes between the tentacles. Marginal eyes along the body margin, more numerous anteriorly. Pharynx ruffled along central body region. Oral pore medial. Gonopores separated (0.82 mm), reddish pigmented, and near the posterior end.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
05CA7B101DE5591284447BD8866A8D20.taxon	etymology	Etymology. The name of the new species refers to the type locality, Santa María del Mar.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
05CA7B101DE5591284447BD8866A8D20.taxon	distribution	Distribution. The only locality where this species was collected is Santa Maria del Mar Beach, Cadiz (Spain).	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
E8F6E7393174511C8A0D7E4D12E066DD.taxon	description	Fig. 3	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
E8F6E7393174511C8A0D7E4D12E066DD.taxon	description	Description. Thick worm with oval shape and variable length, 42 mm long (26.33 ± 11.41 mm). Dorsal side brownish with brown pale spots scattered along the whole surface (Fig. 3 A). A few dark spots are also present, more numerous in the body margin. Margins white, with dark spots. Ventral side pale or cream (Fig. 3 B). Nuchal retractile tentacles present. Tentacular eyes present at the base and on the tips of the tentacles (Fig. 3 C). Cerebral eyes arranged in two clusters between the tentacles. Frontal eyes present, scattering to the anterior margin. Marginal eyes around the entire body edge. Pharynx ruffled, anterior located with numerous lateral branches (Fig. 3 B). Oral pore anteriorly positioned in the central part of the pharynx. Gonopores separated but close together (0.2 mm), located in the last third of the body.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
E8F6E7393174511C8A0D7E4D12E066DD.taxon	distribution	Distribution. This species was reported in several localities of the Mediterranean Sea, such as Croatia (Bytinski-Salz 1935, as Stylochus pilidium); Livorno, Marina di Pisa, and Punta Bianca, Italy (Galleni 1976); Liguria, Italy (Wenzel et al. 1992); Temara, Morocco, the Atlantic Ocean (Prudhoe 1989); Tunisia (Gammoudi et al. 2009); and Murcia (Marquina et al. 2014 a). Our record is the first for this species on the Atlantic coasts of the Iberian Peninsula and in Andalusia.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
1EA8B6B3383B5490B99906BEA98CBC6C.taxon	description	Fig. 2	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
1EA8B6B3383B5490B99906BEA98CBC6C.taxon	description	Description. Stylochus neapolitanus from Cadiz agrees with the original description of the species by Lang 1884. Body shape elongated, with pointed anterior and rounded posterior end, 28 mm long alive. Dorsal surface with dark brown background colour with scattered whitish and greenish spots (Fig. 2 A), larger at the margins and smaller in the body centre. An orange band surrounds the margins. Ventral whitish (Fig. 2 B). Nuchal tentacles conical, white, and with remarkable orange spots on the tips. Tentacular eyes at the base and on the tentacles. Cerebral eyes between tentacles. Marginal eyes present only in the anterior margin. Pharynx ruffled, with well-developed lateral branches (Fig. 2 B). Oral pore at the centre of the pharynx. Male and female pores separated (0.2 mm) and located near the posterior end.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
1EA8B6B3383B5490B99906BEA98CBC6C.taxon	distribution	Distribution. Stylochus neapolitanus was recorded in Sicily, Naples (Lang 1884), Cape Verde (Laidlaw 1906), Senegal (Palombi 1939), Catalonia (Novell 2001, Murcia (Marquina et al. 2014 a), Galicia (Noreña et al. 2015), and Sidi Ifni (Cuadrado et al. 2021). This is the first report of S. neapolitanus in Andalusia.	en	Pérez-García, Patricia, Gouveia, Filipa, Calado, Gonçalo, Noreña, Carolina, Cervera, Juan Lucas (2024): Acotylea (Platyhelminthes, Polycladida) from the southern and western Iberian Peninsula, with the description of five new species. Zoosystematics and Evolution 100 (4): 1487-1513, DOI: 10.3897/zse.100.128211
