Priapichthys Regan
Priapichthys Regan, 1913: 991 .
Type species: Gambusia annectens Regan, 1907 . Gender: masculine.
Diphyacantha Henn, 1916: 113 . Type species: Diphyacantha chocoensis Henn, 1916 . Type by monotypy. Gender: feminine.
Darienichthys Hubbs, 1924: 8 [footnote]. Type species: Gambusia darienensis Meek & Hildebrand, 1913 . Type by original designation. Gender: masculine.
Panamichthys Hubbs, 1924: 8 [footnote]. Type species: Priapichthys panamensis Meek & Hildebrand, 1916 . Type by original designation. Gender: masculine.
Alloheterandria Hubbs, 1924: 9 [footnote]. Type species: Gambusia nigroventralis Eigenmann & Henn, 1912 . Type by original designation. Gender: feminine.
Composition. Priapichthys annectens (Regan), P. caliensis (Eigenmann & Henn), P. chocoensis Henn, P. darienensis (Meek & Hildebrand), P. nigroventralis (Eigenmann & Henn), P. panamensis Meek & Hildebrand, P. puetzi Meyer & Etzel.
Distribution. Costa Rica (Pacific and Atlantic drainages), Panama (Pacific drainages), Ecuador and Colombia.