Hydroidolina Collins, 2000

Lee, Nayeon Park and Wonchoel, 2020, Four new records of family Diphyidae (Hydrozoa: Siphonophorae) in Korean waters, Journal of Species Research 9 (2), pp. 131-146 : 133

Subclass Hydroidolina Collins, 2000 Order Siphonophorae Eschscholtz, 1829 Suborder Calycophorae Leuckart, 1854 Family Diphyidae Quoy and Gaimard, 1827 Subfamily Diphyinae Quoy and Gaimard, 1827 Genus Chelophyes Totton, 1932

Diagnosis

Bullet-shaped anterior nectophore with pointed apex. Five serrated ridges. Five ridges that only partly reaching the apex. A short hydroecium compared to Eudoxoides . Claw-shaped hydroecium. Small serrated hydroecium and mouth-plate. Pentagonal cross section. Anterior nectophore and posterior nectophore, both existing. Divided mouth-plate with two trapezoidal serrated wings equal. A club-shaped somatocyst with long peduncle. Somatocyst that does not reach nectosac apex. Canal that follows the shape of a nectosac. No baso-dorsal or lateral ostial teeth at the level of the ostial. The end of the mouth-plate with the point. Hydroecium cavity with made of slanted arches from the lateral view. U-shaped shallow notch from the ventral view.