Craniscus

Craniscus
Temporal range: Upper Jurassic–Recent
Craniscus tripartitus
Scientific classification
Kingdom:Animalia
Clade:Lophophorata
Phylum:Brachiopoda
Class:Craniata
Order:Craniida
Family:Craniidae
Genus:Craniscus
Dall, 1871
Species

Craniscus is a genus of small brachiopods (lamp shells). The shell is approximately round to square with one side rounded. The ventral valve is approximately flat and attached to the underground by the entire surface. The outside of the dorsal valve is more or less conical, the inside is divided by three ridges that join in the center.[1]

References

  1. ↑ Lee, D.E.; Burton, C.H.C. (1986). "Neocrania n.gen., and a revision of Cretaceous-Recent brachiopod genera in the family Craniidae". Bulletin of the British Museum (Natural History) - Geology. 40: 141–160. ISSN 0968-0462.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.