|
117
|
Key to the species of stingarees (Urolophidae) occuring in the Western Central Pacific. |
|
118
|
Key to the species of stingrays (Dasyatidae) occuring in the Western Central Pacific. |
|
119
|
Key to the species of butterfly rays (Gymnuridae) occuring in the Western Central Pacific. |
|
120
|
Key to the species of eagle rays (Myliobatidae) occuring in the Western Central Pacific. |
|
152
|
Key to the genera of West African fresh- and brackish water Dasyatidae. |
|
153
|
Key to the Dasyatis species of West Africa. |
|
702
|
Key to species of Hexatrygon from China. |
|
703
|
Key to species of Urotrygon from China. |
|
704
|
Key to species of Mobula from China. |
|
886
|
Key to species of guitarfishes (Rhinobatidae) occurring in the Western Central Atlantic. |
|
888
|
Key to species of stingrays (Dasyatidae) occurring in the Western Central Atlantic. |
|
889
|
Key to species of American round stingrays (Urotrygonidae) occurring in the Western Central Atlantic. |
|
890
|
Key to species of butterfly rays (Gymnuridae) occurring in the Western Central Atlantic. |
|
891
|
Key to species of eagle rays (Myliobatidae) occurring in the Western Central Atlantic. |
|
892
|
Key to species of cownose rays (Rhinopteridae) occurring in the Western Central Atlantic. |
|
893
|
Key to species of devil rays or mantas (Mobulidae) occurring in the Western Central Atlantic. |
|
1526
|
Key to species of Dipturus in the western North Pacific. |
|
1581
|
Key to the species of Dasyatis of Lower Guinea, West-Central Africa. |