Crestanema Pastor de Ward, 1985

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 : 495

Crestanema Pastor de Ward, 1985 (emended after Venekey et al. 2019)

Cuticle formed by rings with internal anterior and posterior processes, with alternate hooking. Longitudinal band in sub-dorsal, dorsal and ventral position with ornamentation. Wing type lateral differentiation nerve ring level onward. Six outer labial and four cephalic setae arranged in one circle. Amphideal fovea transversally oval, with slightly concave posterior margin. Buccal armature formed by one dorsal and two small ventrosublateral teeth. Spicules simple in structure. Gubernaculum with two central pieces and two lateral guiding pieces.

Type species: C. patagonicum Pastor de Ward, 1985

List of valid species:

C. patagonicum Pastor de Ward, 1985