Leptostomias Gilbert, 1905
Gender: M; Bull. U.S. Fish Comm., 23 (2): 606-607, pl. 72 (fi). 3)
Type: L. macronema Gilbert, by monotypy.
Synonyms
Nematostomias Zugmayer, 1911, Bull. Inst. océanogr. Monaco, (193): 5-6 (type: N. gladiator Zugmayer, by monotypy).