Dendraster ashleyi
Dendraster ashley | |
---|---|
Fossil of Dendraster ashleyi from San Diego Formation, California | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Order: | Clypeasteroida |
Suborder: | Scutellina |
Family: | Dendrasteridae |
Genus: | Dendraster |
Species: | †D. ashleyi |
Binomial name | |
†Dendraster ashleyi (Arnold) | |
Dendraster ashleyi is an extinct species of sand dollars of the family Dendrasteridae. Fossil of this species have been found in the Pliocene of California (United States), about 5 Mya. They reach a diameter of about 3.5 cm.
References
External links
This article is issued from Wikipedia - version of the Tuesday, April 21, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.