Contributed by Andrew Smith, September 2006
|Classification and/or Status||Paraphyletic stem group of Salenioida, treated here as an informal group, acrosaleniids.|
|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.
[Andrew Smith, September 2006]