Synonyms: Narcine capensis, Raia rapensis, Raja capensis, Raja rapensis, Torpedo capensis
Common name: Cape numbfish
Original description species: (Gmelin, 1789)
Genus: Narke Kaup, 1826
Family: Narkidae Fowler, 1934
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Astrape dipterygia, Bengalichthys impennis, Narke impennis, Raja dipterygia, Torpedo dipterygia
Common name: Spottail sleeper ray
Original description species: (Bloch & Schneider, 1801)
Genus: Narke Kaup, 1826
Family: Narkidae Fowler, 1934
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Astrape japonica, Crassinarke domitor, Crassinarke dormitor, Torpedo japonica, Torpedo (Astrape) japonica
Common name: Japanese sleeper ray
Original description species: (Temminck & Schlegel, 1850)
Genus: Narke Kaup, 1826
Family: Narkidae Fowler, 1934
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii