Spirifer arenosus
UNB-2016-0502Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Spiriferida
Family: Spiriferidae
Genus: Spirifer (Sowerby, 1818)
Species: Spirifer arenosus (Conrad, 1839)
Four poorly preserved specimens (labelled a-d on specimen) of the brachial and pedicle valves. Ribs are medium and some specimens have visible concentric growth lines near the anterior margin. Circular anterior margin and rounded posterior margin.
*Collected on 1964-06-15
Specifications
| Object name | Spirifer arenosus |
|---|---|
| ID | UNB-2016-0502 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Devonian to Early Devonian |
| Numeric age | 419 Mya |
| Origin | Maryland, U.S.A. |
| Pieces | 4 |
| Partial | No |
| Measurements |
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