Třída: Chondrichthyes - paryby
Řád: Squaliformes - ostrouni
Čeleď: Dalatiidae - světlounovití

Synonyma: Cerna gigas Bonaparte, 1833; Epinephelus brachysoma Cope, 1871; Epinephelus gigas (Brünnich, 1768); Epinephelus guaza (non Linnaeus, 1758); Holocentrus gigas (Brünnich, 1768); Serranus aspersus Jenyns, 1840; Serranus cernioides de Brito Capello, 1867; Serranus fimbriatus Lowe, 1838; Serranus gigas (Brünnich, 1768); Serranus guaza (non Linnaeus, 1758); Serranus marginatus Lowe, 1834.

Typová lokalita: Madeira.

Reference: Lowe, R. T. 1834. Characters of a new genus Leirus, and of several new species of fishes from Madeira. Proceedings of the General Meetings for Scientific Business of the Zoological Society of London 1833 (pt 1): 142-144.