Bolbonema Cobb, 1920

Larrazábal-Filho, Alexandre L., Neres, Patrícia F. & Esteves, André M., 2018, The genus Bolbonema Cobb, 1920 (Nematoda: Desmodoridae): emended diagnosis, key to males, and description of three new species from the continental shelf off northeastern Brazil, Zootaxa 4420 (4), pp. 551-570 : 553

Genus Bolbonema Cobb, 1920

Diagnosis (emended from Verschelde et al., 1998). Desmodorinae . Head capsule globular. Cuticle undifferentiated, without ornamentation. Cephalic setae maY be located at anterior, middle or posterior level of the fovea amphidialis. Buccal cavitY minute but maY have two or three teeth. One dorsal tooth and one or two subventral teeth. CrYptospiral, spiral or multispiral fovea with up to three turns; edge of posterior portion of fovea amphidialis maY eXtend to cuticle striation. Long and shorter somatic setae. Supplements maY be present.

Remarks: The diagnosis proposed bY Verschelde et al. (1998) is eXpanded to include other features. The cephalic setae maY be inserted at anY level of the fovea. The buccal cavitY maY have three, two or indistinct teeth. The fovea amphidialis maY be crYptospiral, spiral or multispiral, with up to three turns; the posterior edge of the fovea maY be present in the striations; maY eXceed the limit of the cephalic capsule.