Original description:
- Regan, Charles Tate. 1913. "A revision of the cyprinodont fishes of the subfamily Poeciliinae". Proceedings of the Zoological Society of London. 1913:977-1018 (ffm00016)
Type species: Gambusia bonita Meek, 1904 (monotypy).
Described species included (6):
valid: 6- Gambusia bonita Meek, 1904 (valid)
- Priapella compressa Alvarez, 1948 (valid)
- Priapella intermedia Alvarez & Carranza, 1982 (valid)
- Priapella olmecae Meyer & Espinoza-Pérez, 1990 (valid)
- Priapella chamulae Schartl, Meyer & Wilde, 2006 (valid)
- Priapella lacandonae Meyer, Shories & Schartl, 2011 (valid)