Contributed by Andrew Smith, March 2014
|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.