Cyatholaimidae Filipjev, 1918

Balsamo, Maria, 2017, A re-description of Longicyatholaimus maldivarum Gerlach, 1964 (Nematoda, Cyatholamidae) with an emended identification key of the genus, Zootaxa 4323 (1), pp. 96-108 : 98

Family Cyatholaimidae Filipjev, 1918

Diagnosis (after Tchesunov 2014): Cuticle with transverse rows of punctuations. Lateral punctuations may be larger, irregular or arranged in longitudinal rows. Inner labial sensilla often setiform; six outer labial sensilla and four cephalic sensilla in a single circle of ten setae (with very rare exceptions in separate circles); the six outer labial setae longer than the four cephalic setae. Amphideal fovea lateral, multispiral. Cheilostoma with distinctly cuticularized twelve rugae. Pharyngostoma with a large dorsal tooth, and usually with one or two pairs of smaller ventrosublateral teeth. Pharynx without or rarely with terminal bulb. Female didelphic-amphidelphic with anterior and posterior antidromously reflexed gonads always on different sides of the intestine. Male with two testes situated on opposite sides of the intestine, rarely with one testis; different types of precloacal supplements or supplements absent.