Genus Gymnura

Butterfly ray - The spiny butterfly ray or giant butterfly ray, Gymnura altavela, is a species of butterfly ray, family Gymnuridae, native to the shallow coastal waters of the Atlantic Ocean.

California butterfly ray - The California butterfly ray is a species of fish in the Gymnuridae family.

 
 

Backwater butterfly ray - The backwater butterfly ray, butterfly ray, diamond ray, or short-tailed ray is a species of fish in the Gymnuridae family.

Longtail butterfly ray - The longtail butterfly ray, Gymnura poecilura, is a species of butterfly ray, family Gymnuridae.

Order : Rajiformes
Family : Gymnuridae
Genus : Gymnura