Třída: Chondrichthyes - paryby
Řád: Myliobatiformes -
Čeleď: Dasyatidae - trnuchovití

Synonyma: Dasyatis favus (non Annandale, 1909); Dasyatis gerrardi (non Gray, 1851); Dasyatis jenkinsii (non Annandale, 1909); Dasyatis uarnak (Forsskål, 1775); Dasybatus uarnak (Forsskål, 1775); Himantura gerrardi (non Gray, 1851); Himantura punctata (Günther, 1870); Himantura toshi (non Whitley, 1939); Raja sephen uarnak Forsskål, 1775; Trygon gerrardi (non Gray, 1851); Trygon punctata Günther, 1870; Trygon uarnak (Forsskål, 1775).

Typová lokalita: Rudé moře.

Reference: Forsskål, P. 1775. Descriptiones animalium avium, amphibiorum, piscium, insectorum, vermium; quae in itinere orientali observavit... Post mortem auctoris edidit Carsten Niebuhr. Hauniae. Descr. Animalium: 1-20 + i-xxxiv + 1-164, map.