| Ribeiria Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | †Rostroconchia |
| Order: | †Ribeirioida |
| Genus: | †Ribeiria Sharpe, 1853 |
| Species | |
| |
Ribeiria is a genus of rostroconch mollusc with a pegma, once interpreted as an intermediate between helcionellids (such as Anabarella and Latouchella) and primitive scaphopods (such as Pinnocaris).[2]
References
- ↑ Woodward, Samuel Peckworth; Tate, Ralph (1868). A manual of the Mollusca: being a treatise on recent and fossil shells.
- ↑ Peel, J. S. (1991). "Functional Morphology of the Class Helcionelloida Nov., and the Early Evolution of the Mollusca". In Simonetta, A. M.; Conway Morris, S (eds.). The Early Evolution of Metazoa and the Significance of Problematic Taxa. Cambridge University Press. pp. 157–177. ISBN 978-0-521-40242-2.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.