Priapichthys Regan, 1913

Lucinda, Paulo Henrique Franco & Reis, Roberto E., 2005, Systematics of the subfamily Poeciliinae Bonaparte (Cyprinodontiformes: Poeciliidae), with an emphasis on the tribe Cnesterodontini Hubbs, Neotropical Ichthyology 3 (1), pp. 1-60 : 39

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.

Tribe Priapellini + Tribe Heterandriini + Tribe Gambusiini + Supertribe Poeciliini [Clade 123]

Diagnosis. Members of this clade can be diagnosed by the following not uniquely derived and/or reversed features: (1) ligastyle triangular [46 -2]; (2) curvature of gonapophysis forming an angle of 16-45 degrees relative to vertebral column [53-1*]; (3) pleural ribs 7, 8, and 9 in adult males curved forward converging to the same point towards pelvic girdle [59-1*]; (4) females with eleven analfin rays [65-2]; and (5) elongate and dorsal protuberance present along R4p (just behind retrorse spines series) of anal fin in adult males [118-1].