Daptonema, COBB (1920)

Neres, Patricia Fernandes, Fonseca-Genevois, Verônica Gomes Da, Torres, Rodrigo Augusto, Cavalcanti, Mariana Da Fonseca, Castro, Francisco José Victor De, Silva, Neyvan Renato Rodrigues Da, Rieger, Tania Tassinari & Decraemer, Wilfrida, 2010, Morphological and molecular taxonomy of a new Daptonema (Nematoda, Xyalidae) with comments on the systematics of some related taxa, Zoological Journal of the Linnean Society 158 (1), pp. 1-15 : 4

GENUS DAPTONEMA COBB (1920)

Diagnosis: The diagnosis of the genus follows Coomans & Eyualem-Abebe (2006).

Cuticle annulated, with lateral field. Somatic setae present. Lip region with ten or 12 seta (these setae may be segmented when long). Cheilostome wide, dome-shaped; stoma funnel-shaped. Ventral gland and secretory–excretory pore absent or obscure. Usually two testes with anterior one on left and posterior one on right side of intestine. Spicules usually about one anal diameter long and strongly bent. Gubernaculum often with lateral guiding pieces and rarely also with dorsocaudal apophysis. Ovary always left of intestine. A post- and prevulval uterine sac may be present. Tail cylindrical in its posterior part, with two (rarely three or four) terminal setae. Most species marine.

List of valid species: The list of 113 valid species of Daptonema , according to Lorenzen (1977) and Deprez et al. (2005), is presented in alphabetical order (Supporting Information Appendix S1).