Contributed by Andrew Smith, September 2006
| Name gender | masculine |
|---|---|
| Type | Acanthechinus roseus Agassiz, 1863, p. 358 (=Microcyphus maculatus Agassiz, in Agassiz & Desor, 1846). |
| Classification and/or Status | Subjective junior synonym of Microcyphus Agassiz, in Agassiz & Desor, 1846. |
| Remarks | Agassiz, A. 1863. Synopsis of the echinoids collected by Dr. W. Stimpson on the North Pacific Exploring Expedition under the Commandment of Captains Ringgold and Rodgers. Proceedings of the Academy of Natural Sciences of Philadelphia, 15, 352-361. |