taxonID	type	description	language	source
C26587ADFF88FF9DB38AFC17F074FAB9.taxon	materials_examined	Type genus: Dorylaimopsis Ditlevsen, 1918	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9DB38AFC17F074FAB9.taxon	diagnosis	Diagnosis (from Fonseca & Bezerra 2014). Cuticle usually differentiated laterally. Cephalic sense organs in three distinctly separated crowns. Buccal cavity usually strongly cuticularized; anterior portion shallow, sometimes with small pointed projections at border to the vestibulum; posterior portion dilated, cylindrical or conical, usually with strongly cuticularized walls and three thorn-like projections at the border between the two portions. Spicules sometimes differentiated proximally, medially or distally. Gubernacular apophyses usually directed caudally, occasionally dorsocaudally.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9DB38AFAECF025F9CA.taxon	materials_examined	Type species: Dorylaimopsis punctata Ditlevsen, 1918	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9DB38AFAECF025F9CA.taxon	diagnosis	Diagnosis (modified from Jensen (1979) & Leduc (2012 )). Dorylaimopsinae. Cuticle with transverse rows of punctations, lateral differentiation as a ridge with longitudinal rows of coarse dots. Posterior portion of buccal cavity cylindrical, with three thorn-like teeth at border to anterior portion. Outer labial sensilla and cephalic setae in separate circles. Spicules slender, usually long, arcuate or jointed. Gubernacular apophyses directed caudally or dorsocaudally.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9AB38AF91DF282FF6B.taxon	description	(Figures 1 – 3, Table 1)	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9AB38AF91DF282FF6B.taxon	materials_examined	Material examined. Type specimens. Holotype male, inventory slide no. Beibuwan 201137. The habitat and locality. Beibu Gulf, the South China Sea. Collected on August 2011, 20 ° 39 ′ N, 108 ° 02 ′ E, water depth 20 m, salinity 33.48 ‰; 20 ° 38 ′ N, 108 ° 37 ′ E, water depth 32 m, salinity 33.85 ‰; 20 ° 39 ′ N, 109 ° 32 ′ E, water depth 23 m, salinity 33.48 ‰; surface sediment layer (0 – 10 cm), muddy sediment. Male inventory slide no. Beibuwan 201101, 201112, 201115, 201165 and 201169. Female inventory slide no. Beibuwan 201102, 201128, 201133 and 201165.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9AB38AF91DF282FF6B.taxon	etymology	Etymology. The name refers to the long spicules that characterize the new species.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9AB38AF91DF282FF6B.taxon	description	Description. Male. Body long, slender, tapering toward both extremities. Cuticle with punctations from level of amphid to 2 / 3 of conical portion of tail. Lateral differentiation consisting of four longitudinal rows of larger dots in pharyngeal and tail regions, two rows of larger dots elsewhere. Somatic setae rare and sparse, 5 μm long. Head set-off by constriction posterior to cephalic setae. Six inner labial papillae, six outer labial setae. Four cephalic setae, equal to 0.4 – 0.8 corresponding body diameters long, outer labial setae slightly shorter. Amphideal fovea spiral, 3 turns, located immediately posterior to cephalic setae. Anterior portion of buccal cavity cup-shaped, posterior portion of buccal cavity cylindrical, cuticularized, with three strong cuticularized teeth at border to anterior portion. Pharynx widening slightly posteriorly, not forming true bulb. Nerve ring near middle of pharynx. Renette situated posterior to cardia; excretory pore situated posterior to nerve ring. Reproductive system with two opposed and outstretched testes. Anterior testis to the left and posterior testis to the right of intestine. Spicules paired, equal to 3.2 – 3.8 cloacal body diameters in length, curved, proximal end strongly cephalated and tapering distally. Gubernaculum with two straight caudal apophyses. Twelve to sixteen tubular precloacal supplements present which are often difficult to distinguish. Tail slender, conico-cylindrical, posterior two thirds of tail conical with numerous short setae. Tail tip slightly enlarged, with three terminal setae. Three caudal glands and spinneret present. Female. Similar to males but shorter. Reproductive system didelphic, amphidelphic, with outstretched ovaries; anterior ovary to the left of intestine and posterior ovary to the right of intestine. Vulva equatorial. Spermatheca present, often with numerous spermatozoa. Tail shorter than in males, conico-cylindrical, with several short caudal setae and three short terminal setae. Three caudal glands and spinneret present.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF88FF9AB38AF91DF282FF6B.taxon	diagnosis	Diagnosis and relationships. Dorylaimopsis longispicula sp. n. is characterized by amphideal fovea with three turns, lateral differentiation consisting of four longitudinal rows of larger dots in pharyngeal and tail regions, two rows of larger dots in the middle regions; renette situated posterior to cardia; spicules 3.2 – 3.8 cloacal body diameters long and curved, twelve to sixteen tubular precloacal supplements present; tail tip with three terminal setae.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF8FFF96B38AFE89F0F2FE4A.taxon	description	(Figures 4 – 6, Table 2)	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF8FFF96B38AFE89F0F2FE4A.taxon	materials_examined	Material examined. Type specimens. Holotype male, inventory slide no. Beibuwan 201181. The habitat and locality. Beibu Gulf of the South China Sea. Collected on August 2011, 20 ° 39 ′ N, 108 ° 02 ′ E, water depth 20 m, salinity 33.48 ‰; 20 ° 38 ′ N, 108 ° 37 ′ E, water depth 32 m, salinity 33.85 ‰; 20 ° 39 ′ N, 109 ° 32 ′ E, water depth 23 m, salinity 33.48 ‰; surface sediment layer (0 – 10 cm), muddy sediment. Male inventory slide no. Beibuwan 201137, 201133, 201171, 2011115. Female inventory slide no. Beibuwan 201112, 201166, 201171 and 201183.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF8FFF96B38AFE89F0F2FE4A.taxon	etymology	Etymology. This species is named after the French meiofauna scientist Guy Boucher.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF8FFF96B38AFE89F0F2FE4A.taxon	description	Description. Male. Body slender, cylindrical, tapering slightly towards extremities. The cuticle is marked by transverse rows of fine punctuations. Lateral differentiation consisting of 3 – 4 longitudinal rows of larger dots, beginning about 34 μm posterior to amphids, terminating at the conical part of tail. Lateral differentiation 9 μm wide at mid-body, about 26 % of corresponding body diameter. Two circles of six inner labial and six outer labial papillae. Four cephalic setae, equal to 0.3 – 0.6 corresponding body diameters in length. Amphideal fovea spiral, 2.5 turns, located immediately posterior to cephalic setae. Buccal cavity opens into a cup-shaped anterior portion, followed by a cuticularized tubular portion, with three strong triangular teeth located at the anterior end. Pharynx widened posteriorly, without a distinct bulb. Nerve ring at pre-median of pharyngeal length. Renette located at the level of anterior end of intestine. Two testes, opposed and outstretched. Anterior testis to the left and posterior testis to the right of the intestine. Spicules paired, equal and arcuate, 1.2 – 1.6 cloacal body diameter long. Proximal ends of spicules cephalated, with long median cuticularized strip, about one third of spicule length, and with a ventral velum. Gubernaculum with two straight dorsocaudal apophyses. Thirteen to sixteen tubular precloacal supplements present. Tail conico-cylindrical, anterior one fourth of the tail conical, posterior three fourths cylindrical; tip not swollen, and without terminal setae. Females. Similar to males, but lateral differentiation consisting of 4 – 6 longitudinal rows of larger dots along entire body. Amphideal fovea spiral, with 2.75 turns. Reproductive system didelphic, with opposed and outstretched ovaries; anterior ovary to the left side of intestine and posterior ovary to the right of intestine. Vulva at pre-median of body length. Vaginal glands present. Spermatheca present, often with numerous spermatozoa.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF8FFF96B38AFE89F0F2FE4A.taxon	diagnosis	Diagnosis and relationships. Dorylaimopsis boucheri sp. n. is characterized by amphideal foveal with 2.5 turns in males, 2.75 turns in females. Lateral differentiation consisting of 3 – 4 longitudinal rows of larger dots in males, 4 – 6 rows in females; buccal cavity composed of a cup-shaped anterior portion and a cuticularized tubular portion with three strong teeth present at the anterior end; spicules arcuate, 44 – 48 μm long, thirteen to sixteen tubu- lar precloacal supplements present; tail conico-cylindrical, tip not swollen, and without terminal setae.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF83FF91B38AFDE8F586F871.taxon	description	(Figures 7 – 9, Table 3)	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF83FF91B38AFDE8F586F871.taxon	materials_examined	Material examined. Type specimens. Holotype male, inventory slide no. ChukchiC 0431. The habitat and locality. Sublittoral zone in the Chukchi Sea (Arctic Ocean). Collected in July 2014, 169 ° 01 ′ W, 67 ° 40 ′ N, water depth 50 m, salinity 32.77 ‰; 168 ° 09 ′ W, 69 ° 13 ′ N, water depth 50 m, salinity 32.75 ‰; 169 ° 00 ′ W, 69 ° 36 ′ N, water depth 52 m, salinity 32.63 ‰; 166 ° 59 ′ W, 71 ° 00 ′ N, water depth 45 m, salinity 30.64 ‰; surface sediment layer (0 – 10 cm), muddy sediment. Male inventory slide no. ChukchiC 0431, ChukchiC 01, ChukchiB 14 and ChukchiR 02. Female inventory slide no. ChukchiR 04 and ChukchiC 01.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF83FF91B38AFDE8F586F871.taxon	etymology	Etymology. This species was named after the second son of the first author Sujing Fu.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF83FF91B38AFDE8F586F871.taxon	description	Description. Male. Body cylindrical, widest at anterior intestine region, gradually tapering towards both extremities. Cuticle with transverse rows of fine punctuations, with lateral differentiation in the form of 4 – 7 longitudinal rows of coarse dots extending from posterior edge of amphid to anterior of intestine, and 5 – 7 longitudinal rows of coarse dots in the conical tail region, not as regular as in pharyngeal region; longitudinal rows of coarse dots absent in middle body. Cephalic region with a distinct constriction. Two circles of six inner labial and six outer labial papillae, four cephalic setae situated at level of constriction. Buccal cavity consists of two portions, a cup-shaped anterior portion and a cuticularized tubular posterior portion. Three triangular teeth present at the anterior end of tubular part of buccal cavity. Amphids spiral, 2.75 turns, anterior border of amphids at level of cephalic setae. Pharynx cylindrical, widening slightly towards posterior end. Nerve ring near middle of pharynx. The ventral gland situated posterior to the cardia level, the excretory pore opens near half of pharyngeal length. Cardia small. Reproductive system diorchic with two outstretched testes, anterior testis to the right and posterior testis to the left of the intestine. Spicules equal and curved, 1.9 – 2.5 cloacal body diameters long, with a strong developed capitulum, and proximally with a short central lamina. Gubernaculum with paired dorsocaudal apophyses. Fifteen to twenty fine tubular precloacal supplement present which are often difficult to distinguish. Tail conico-cylindrical, several short caudal setae and three terminal setae. Three caudal glands and distinct spinneret present. Female. Similar to males. Some female specimens like males in the pattern of lateral differentiation. But the other females with longitudinal rows of coarse dots beginning from posterior edge of amphid with 4 – 7 rows extending to anterior border of pharyngeal bulb, the longitudinal rows disappear in the middle body, then reappear with 5 – 7 rows in the tail region, longitudinal rows in the tail region are not as regular as in pharyngeal region. Reproductive system didelphic, opposed, outstretched, with anterior ovary situated on the left of intestine, posterior ovary on the right side of intestine. Vulva at pre-median of body length. Granular vaginal glands present. Spermatheca present, often with numerous spermatozoa. Three caudal glands and distinct spinneret present.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
C26587ADFF83FF91B38AFDE8F586F871.taxon	diagnosis	Diagnosis and relationships. Dorylaimopsis jinyuei sp. n. is characterized by cuticle with lateral differentiation in the form of longitudinal rows of larger dots in two separate regions, not along entire body. One region is from posterior edge of amphid with 4 – 7 rows extending to anterior of intestine, the other is tail region with 5 – 7 rows. But in some females longitudinal rows of larger dots are distributed from posterior edge of amphid to anterior border of pharyngeal bulb (4 – 7 longitudinal rows), then reappear in the tail region with 5 – 7 rows. Amphideal fovea with 2.75 turns and spicules 127 – 151 μm long with a strongly developed capitulum, and proximally with a short central lamina. Fifteen to twenty fine tubular precloacal supplements present.	en	Fu, Sujing, Leduc, Daniel, Rao, Yiyong, Cai, Lizhe (2019): Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea. Zootaxa 4608 (3): 433-450, DOI: 10.11646/zootaxa.4608.3.2
