Alfaro Meek

Petalosoma Regan, 1908: 458 .

Type species: Petalosoma cultratum Regan, 1908 . Type by monotypy. Gender: neuter. Preoccupied by Petalosoma Lewis, 1903 in Coleoptera .

Alfaro Meek, 1912: 72 . Type species: Alfaro acutiventralis Meek, 1912 . Type by monotypy. Gender: masculine.

Petalurichthys Regan, 1912: 494 [footnote]. Type species: Petalosoma cultratum Regan, 1908 . Type by being a replacement name. Gender: masculine.

Furcipenis Hubbs, 1931: 1 . Type species: Priapichthys huberi Fowler, 1923 . Type by original designation. Gender: masculine.

Composition. Alfaro cultratus (Regan) and A. huberi (Fowler)

Distribution. Southern Guatemala, Honduras, Costa Rica, Nicaragua, and Western Panama.