Synonyma
Scaphesthes Oshima, 1919 ― Scaphesthes tamusuiensis Oshima, 1919
Scaphiodontella Oshima, 1920 ― Scaphiodontella alticorpus Oshima, 1920
Typový druh
Onychostoma laticeps Günther, 1896
Původní popis
Günther, A. 1896. Report on the collections of reptiles, batrachians and fishes made by Messrs. Potanin and Berezowski in the Chinese provinces Kansu and Sze-chuen. Ann. Mus. Zool. Acad. Imp. Sci. St. Petersburg 1896: 199-219, Pls. 1-2.
Přehled druhů
Onychostoma alticorpus (Oshima, 1920)
chramule vysokotělá
Onychostoma angustistomatum (Fang, 1940)
drápenka útloústá
Onychostoma barbatulum (Pellegrin, 1908)
chramule vousatá
Onychostoma barbatum (Lin, 1931)
Onychostoma breve (Wu & Chen, 1977)
drápenka krátká
Onychostoma brevibarba Song, Cao & Zhang, 2018
Onychostoma dongnaiense Hoàng, Pham & Tran, 2015
Onychostoma elongatum (Pellegrin & Chevey, 1934)
drápenka protáhlá
Onychostoma fangi Kottelat, 2000
drápenka Fangova
Onychostoma fusiforme Kottelat, 1998
drápenka vřetenovitá
Onychostoma gerlachi (Peters, 1881)
chramule Gerlachova
Onychostoma krongnoense Hoàng, Pham & Tran, 2015
Onychostoma lepturus (Boulenger, 1900)
drápenka hajnanská
Onychostoma lini (Wu, 1939)
drápenka Linova
Onychostoma macrolepis (Bleeker, 1871)
Onychostoma meridionale Kottelat, 1998
drápenka mekongská
Onychostoma minnanense Jang-Liaw & Chen, 2013
Onychostoma ovale Pellegrin & Chevey, 1936
chramule vietnamská
Onychostoma rarum (Lin, 1933)
Onychostoma simum (Sauvage & Dabry de Thiersant, 1874)
chramule čínská
Onychostoma uniforme (Mai, 1978)
parmoun narinský
Onychostoma virgulatum Xin, Zhang & Cao, 2009