Dendraster gibbsii

Dendraster gibbsii is an extinct species of sand dollars of the family Dendrasteridae. Fossils of this species have been found in the Pliocene of California (United States). They reach a diameter of about 3.5 cm. Fossil specimens of Dendraster gibbsii provide valuable insights into the marine environments of the Pliocene epoch and the evolutionary history of echinoids.

Dendraster gibbsii
Fossil of Dendraster gibbsii from Etchegoin Formation, California
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Clypeasteroida
Suborder:	Scutellina
Family:	Dendrasteridae
Genus:	Dendraster
Species:	†D. gibbsii
Binomial name
†Dendraster gibbsii (Remond, 1863)

References

• Universal Biological Indexer
• Books Geology

External links

• Trifoss
• Dendraster Echinoids