Archaeocidaris

Archaeocidaris is an extinct genus of echinoid that lived from the Late Devonian to the Late Permian. Its remains have been found in Africa, Europe, and North America.

Archaeocidaris plates and spines from the Bird Spring Formation (Carboniferous) exposed in Kyle Canyon, Spring Mountains, southern Nevada.

Archaeocidaris Temporal range: Late Devonian-Late Permian PreꞒ Ꞓ O S D C P T J K Pg N
Archaeocidaris brownwoodensis
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Subclass:	Euechinoidea
Order:	Cidaroida
Family:	Archaeocidaridae
Genus:	Archaeocidaris

Sources

• Fossils (Smithsonian Handbooks) by David Ward (Page 176)

External links

• Archaeocidaris in the Paleobiology Database