Synonyma
Furcipenis Hubbs, 1931 ― Priapichthys huberi Fowler, 1923
Petalosoma Regan, 1908 ― Petalosoma cultratum Regan, 1908
Petalurichthys Regan, 1912 ― Petalosoma cultratum Regan, 1908
Typový druh
Alfaro acutiventralis Meek, 1912
Původní popis
Meek S. E. 1912. New species of fishes from Costa Rica. Field Mus. Nat. Hist. Publ. Zool. Ser. v. 10 (no. 7). 69-75.
