Contributed by Andrew Smith, September 2006
Classification and/or Status | Paraphyletic stem group of Salenioida, treated here as an informal group, acrosaleniids. |
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Remarks | Glyptodiadema is a poorly known taxon from the Lower Jurassic that possibly belongs here. Gregory, J. W. 1900. The Echinoidea. Pp. 282-332 in E. R. Lankester (ed.) A Treatise on Zoology. Part III. The Echinodermata London, Charles and Adam Black. |
Contributor comments: | [Andrew Smith, September 2006] |