Hemicidaridae
Hemicidaridae Temporal range: Jurassic- Cretaceous | |
---|---|
Fossil of Asterocidaris species | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Subclass: | Euechinoidea |
Infraclass: | Carinacea |
Family: | Hemicidaridae Wright, 1857 † |
Hemicidaridae is a family of fossils sea urchins in the classis Echinoidea.
These epifaunal grazer-deposit feeders lived in Jurassic and Cretaceous ages (from 189.6 to 112.6 Ma).[1]
Taxonomy
List of genera and subfamilies:[2][3]
- Subfamily Hemicidarinae Wright, 1857 †
- Asterocidaris Cotteau, 1859 †
- Gymnocidaris L. Agassiz, 1838 †
- Hemicidaris L. Agassiz, 1838 †
- Subfamily Pseudocidarinae Smith & Wright, 1993 †
- Cidaropsis Cotteau, 1863 †
- Pseudocidaris Pomel, 1883 †
- Gymnocidaris L. Agassiz, 1838 †
- Hemicidaris (Sphaerotiaris) Lambert & Thiéry, 1914 †
Distribution
Fossils of species within this genus have been found in the Jurassic and Cretaceous sediments in Europe, Africa, North America and China.[1]
References
- 1 2 "Fossilworks: Gateway to the Paleobiology Database". fossilworks.org. Retrieved 2015-05-10.
- ↑ "WoRMS - World Register of Marine Species - Hemicidaridae Wright, 1857 †". marinespecies.org. Retrieved 2015-05-10.
- ↑ "BioLib - Hemicidaridae". biolib.cz. Retrieved 2015-05-10.
This article is issued from Wikipedia - version of the 8/2/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.