Diadematacia

(Redirected from Diadematacea)

The Diadematacia are a superorder of sea urchins. Unlike most other sea urchins, they generally have hollow spines. The tubercles on their tests are perforated, and most species possess gills.

Diadematacia
Temporal range: Late Triassic–Recent
Echinothrix diadema
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Infraclass: Acroechinoidea
Superorder: Diadematacia
Orders

Diadematoida
Echinothurioida
Pedinoida

References

edit
  • Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 980. ISBN 0-03-056747-5.