Family APATOPYGIDAE
Compiler and date details
F.W.E. Rowe & J. Gates, Australian Museum, Sydney, New South Wales, Australia (1995) Updated (2001) by Tim O'Hara, Museum Victoria, Carlton, Victoria, Australia
Introduction
The family Apatopygidae occurs in the Malayan and Tasman regions. One extant genus is known. One species is recorded in Australian waters.
Apatopygids are distinguished in the order Cassiduloida by the following combination of character states: medium-sized, apical system tetrabasal in young, monobasal in adult; petals moderately developed; single pored ambulacral plates beyond petals; periproct supramarginal; bourrelets slightly developed; buccal pores absent.
General References
Kier, P.M. 1966. Echinozoa: Cassiduloids. pp. U492-U523, figs 378-413 in Moore, R.C. (ed.). Treatise on Invertebrate Paleontology. Part U. Echinodermata 3. Asterozoa-Echinozoa. Kansas : Geological Society of America and University of Kansas Press Vol. 1 & 2 pp. U1-U695 figs 1-534.
History of changes
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 15-Sep-2023 | 11-May-2012 | MODIFIED | ||
| 12-Feb-2010 | (import) |