Ribeiria
Not to be confused with Ribeiroia.
| Ribeiria Temporal range: Mid Cambrian–Silurian[1] | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | †Rostroconchia |
| Order: | †Ribeirioida |
| Genus: | †Ribeiria Sharpe, 1853 |
| Species | |
(Incomplete list, ) | |
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. The Early Evolution of Metazoa and the Significance of Problematic Taxa. Cambridge U. Pr. pp. 157–177. ISBN 978-0-521-40242-2.
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