Contributed by Andrew Smith, August 2011
| Type | Echinanthus testudinarius Gray, 1855, an indeterminate Clypeaster sp. according to Mortensen, 1948, p. 83. |
|---|---|
| Classification and/or Status | Nomen dubium |
| Remarks | Duncan, P. M. 1889. A revision of the genera and great groups of the Echinoidea. Journal of the Linnean Society, London, 23, 1-311. Mortensen, T. 1948. A monograph of the Echinoidea. IV. 2. Clypeastroida. C. A. Reitzel, Copenhagen. |