Contributed by Andrew Smith, July 2011
Classification and/or Status | A name used to refer to regular euechinoids with grooved teeth except for the Echinothurioida (i.e., Micropygoida, Aspidodiadematoida, Pedinoida and Diadematoida). As such it is paraphyletic and is not used here. |
---|---|
Remarks | Jackson, R. T. 1912. Phylogeny of the Echini, with a revision of Palaeozoic species Memoirs of the Boston Society of Natural History 7, 491 pp. 76 pls. |