Contributed by Andrew Smith, October 2011
Diagnosis | Crown group Echinoidea with
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Species Included | Clade including all living regular and irregular echinoids except the Cidaroidea |
Remarks | The following taxa were established on material so poor as to be indeterminate, but which is probably euechinoid:
Kroh, A. & Smith, A. B. 2010. The phylogeny and classification of post-Palaeozoic echinoids. Journal of Systematic Palaeontology 8, 147-212. Bronn, H. G. 1860. Die Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild. Zweiter Band, Actinozoen. C. F. Winter'sche, Leipzig. 434 pp. |