Rafinesquina alternata
UNB-2016-0204Fossils » Eukaryote » Animalia » Brachiopoda » Strophomenata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Strophomenata
Order: Strophomenida
Family: Rafinesquinidae
Genus: Rafinesquina (Hall and Clarke, 1892)
Species: Rafinesquina alternata (Conrad, 1838)
Rounded specimen of the pedicle valve embedded into sediment with faint sulcus. Valve is slightly convex but relatively flat. Thin radial ribs. Slight flaring of the anterior margin. Smaller specimen near the margin of the sediment with larger ribs. Slight sulcus. Rounded anterior margin and straight posterior margin.
Specifications
| Object name | Rafinesquina alternata |
|---|---|
| ID | UNB-2016-0204 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Strophomenata |
| Composition | Limestone |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Ordovician Epoch: Middle Ordovician to Upper Ordovician |
| Numeric age | 470 - 458.4 Mya |
| Origin | Trenton, Kentucky, U.S.A. |
| Pieces | 1 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- Salmon, E. S. (1942). Mohawkian Rafinesquinae. Journal of Paleontology, 564-603.