Trichromadora Kreis, 1929

Lv, Yanwei, Yu, Huiying & Wang, Mengna, 2025, Two new nematode species: Axonolaimus rushanensis sp. nov. (Axonolaimidae) and Trichromadora spheribulba sp. nov. (Chromadoridae) from the Yellow Sea, China, Zootaxa 5653 (3), pp. 379-395 : 385-393

Genus Trichromadora Kreis, 1929

Diagnosis of genus Trichromadora (modified from Venekey et. al. 2019): Cuticle with a lateral differentiation of three longitudinal rows of thicker punctations. Amphidial fovea slit-like. Buccal cavity with a large dorsal hollow tooth and ventrosublateral teeth not evident. Posterior pharyngeal bulb present. Precloacal supplements cup-shaped.

List of valid Trichromadora species

T. arimiensis Gerlach, 1953

Syn. Chromadorella acriminiensis Gerlach, 1953

Chromadorella arimiensis ( Gerlach, 1953) Lorenzen, 1972

Prochromadorella ariminiensis Gerlach,1953

T. brachyura ( Schuurmans Stekhoven, 1950) Muthumbi & Vincx, 1998

Syn. Prochromadorella brachyura Schuurmans Stekhoven, 1950

T. longicaudata Kreis, 1929

Syn. Prochromadorella longicauda ( Kreis, 1929) Lorenzen, 1972

Prochromadorella ophiocephala Schuurmans Stekhoven, 1950

Trichromadora ophiocephala Schuurmans Stekhoven, 1950

T. spheribulba sp. nov.

Identification key to the four species of genus Trichromadora

1. Amphidial fovea spiral...................................................................... T. ariminiensis

- Amphidial fovea slit-like............................................................................... 2

2. Tail long (>30 anal diameter)............................................................... T. longicaudata

- Tail short (<30 anal diameter)........................................................................... 3

3. Precloacal supplements more than 6............................................................ T. brachyura

- Precloacal supplements less than 6..................................................... T. spheribulba . sp. nov.