Typový druh
Squaliolus laticaudus Smith & Radcliffe, 1912.
Původní popis
Smith H. M. 1912. The squaloid sharks of the Philippine Archipelago, with descriptions of new genera and species. [Scientific results of the Philippine cruise of the Fisheries steamer "Albatross," 1907-10.--No. 15.] Proc. U. S. Natl. Mus. v. 41 (no. 1877). 677-685.