Actinonema Cobb, 1920

Datta, Tridip Kumar & Al-Helal, Md. Abdullah, 2023, Review of Euchromadorinae (Nematoda: Chromadorida) with description of a new species of Trochamus Boucher & De Bovée, 1971 from the Sundarban, India, Zootaxa 5278 (3), pp. 493-510 : 494-495

publication ID	https://doi.org/ 10.11646/zootaxa.5278.3.4
publication LSID	lsid:zoobank.org:pub:5B09ECEE-2A61-411F-A172-5FD86939905F
DOI	https://doi.org/10.5281/zenodo.7918069
persistent identifier	https://treatment.plazi.org/id/03AD7507-A420-B009-39BC-F8F6FD5349B7
treatment provided by	Plazi
scientific name	Actinonema Cobb, 1920
status

Treatment

Actinonema Cobb, 1920 (emended after Venekey et al. 2019 & Tchesunov 2014)

Cuticle complex, heterogeneous with lateral differentiation as a ridge begins at the end of the pharynx. Six outer labial and four cephalic setae arranged in one circle. Amphideal fovea conspicuous, transversally oval with a double contour. Posterior pharyngeal bulb may develop. Buccal cavity with one prominent dorsal tooth and two small subventral teeth. Spicules simple, thickly cuticularized. Gubernaculum with L-shaped lateral piece. A cuticularized tube may run in between each spicule and gubernaculum.

Type species: A. pachydermatum Cobb, 1920

List of valid species:

A. celtica Boucher, 1976

A. falciforme Shi, Yu & Xu, 2018

A. fidatum Vitiello, 1970

A. grafi Jensen, 1991

A. longicaudatum ( Steiner, 1918) Wieser, 1954

A. pachydermatum Cobb, 1920

A. paraceltica Muthumbi & Vincx, 1998a

A. smolae Muthumbi & Vincx, 1998a

Taxon inquirendum: A. chitwoodi Wieser, 1954