Contributed by Andrew Smith, September 2006
| Distribution | Cenomanian, Sinai |
|---|---|
| Name gender | feminine |
| Type | Acanthechinopsis humei Gregory, 1906 (=Tetragramma variolare Brongniart, 1822). |
| Classification and/or Status | Subjective junior synonym of Tetragramma L. Agassiz, 1838, p. 4. |
| Remarks | Gregory, J. W. 1906. Fossil Echinoidea from Sinai and Egypt. Geological Magazine, dec 5, 3, p. 216-255. |