Diagnosis

English

eng

Palaeopneustid genus with 4 genital pores, right anterior occurring with madreporite; weakly developed ambulacral pores, pores double, but pore pairs heavily reduced in anterior side of anterior ambulacra, ambulacra sub-petaloid; labrum elongate, plastron short; 3 tubefeet each side within sub-anal fasciole.

Baker, A. N. & Rowe, F. W. E. 1990. Atelostomatid sea urchins from Australian and New Zealand waters (Echinoidea: Cassiduloida, Holasteroida, Spatangoida, Neoplampadoida). Invertebrate Taxonomy 4, 281-316. Available for editors