Contributed by Andrew Smith, March 2014
| Distribution | Recent |
|---|---|
| Type | Echinus niger Moulina, 1782 by original designation |
| Classification and/or Status | Objective junior synonym of Tetrapygus Agassiz, in Agassiz & Desor, 1846 |
| Remarks | Duncan (1889) used the name Echinocidaris differently from Desmoulins 1835 and designated a different type species. Duncan, P. M. 1889. A revision of the genera and great groups of the Echinoidea. Zoological Journal of the Linnean Society, 23, 1-311. |