Rhabdocoma Cobb, 1920

Leduc, Daniel, Zhao, Zeng Qi & Sinniger, Frederic, 2020, Halanonchus scintillatulus sp. nov. from New Zealand and a review of the suborder Trefusiina (Nematoda: Enoplida), European Journal of Taxonomy 661 (661), pp. 1-45 : 23

Genus Rhabdocoma Cobb, 1920

Diagnosis (from Ott 1977)

Halanonchinae . Amphideal fovea circular or unispiral, cephalic setae anterior to or posterior to amphids. Buccal cavity small, funnel-shaped. Papillose pharyngeal and precloacal supplements present or absent. Male reproductive system diorchic. Tail conical, conico-cylindrical or filiform. Two species.

Type species

Rhabdocoma americana Cobb, 1920 . = Rhabdocoma riemanni Jayarsee & Warwick, 1977.

Other valid species

R. obtusicaudata ( Chitwood, 1936) Ott, 1977 .

= Cytolaimium obtusicaudatum Chitwood, 1936 .

= Cytolaimium exile Cobb, 1920 in Ott (1972) .

= Cytolaimium exile Cobb, 1920 in Ott & Schiemer (1973) .

Species inquirenda e

R. articulata ( Gerlach, 1955) .

R. brevicauda Schuurmans Stekhoven, 1950 .

R. cylindricauda Schuurmans Stekhoven, 1950 .

R. macrura Cobb, 1920 .

Remarks

Ott (1977) reviewed the genus and provided a key to species. He considered R. macrura to be insufficiently described and therefore species inquirenda. Ott (1977) also considered R. cylindricauda and R. brevicauda to have been wrongly assigned to Rhabdocoma and instead likely to belong to the Siphonolaimidae . Rhabdocoma articulata was transferred to Cytolaimium by Ott (1977), but the species is doubtful since it is based on a juvenile description only. Rhabdocoma riemanni Jayarsee & Warwick, 1977 was described subsequently to the review by Ott (1977) but it was later synonymized with R. americana by Vincx & Vanreusel (1989).