Rafinesquina alternata
UNB-2016-0205Fossils » Eukaryote » Animalia » Brachiopoda » Strophomenata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Strophomenata
Order: Strophomenida
Family: Rafinesquinidae
Genus: Rafinesquina (Hall and Clarke, 1892)
Species: Radinesquina alternata (Conrad, 1838)
Thirteen specimens, labeled a to m, twelve being Radinesquina alternata and one a Strophomenid, with both the pedicle and brachial valves preserved. Visible sulcus and fold. Thin radial ribs and slight concave anterior margin. Beak and delthyrium are prominent on the Strophomenid.
Specifications
| Object name | Rafinesquina alternata |
|---|---|
| ID | UNB-2016-0205 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Strophomenata |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Ordovician to Late Ordovician |
| Numeric age | 450 Mya |
| Origin | Cincinnati, Ohio, U.S.A. |
| Pieces | 13 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- Alexander, R. R. (1975). Phenotypic lability of the brachiopod Rafinesquina alternata (Ordovician) and its correlation with the sedimentologic regime. Journal of Paleontology, 607-618.
- Rosenberg, G. D. (1982). Growth rhythms in the brachiopod Rafinesquina alternata from the Late Ordovician of southeastern Indiana. Paleobiology, 8(04), 389-401.