Spirifer crestes
UNB-2018-0390Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Spiriferida
Family: Spiriferidae
Genus: Spirifer (Sowerby, 1818)
Species: Spirifer crestes (Hall and Whitfield)
Small specimen with both the brachial and pedicle valves preserved. Pedicle valve is convex and brachial valve is concave. Thin, defined growth lines are visible on the brachial valve. Circular anterior margin and rounded posterior margin. Small beak. Sediment is slightly encrusted with sediment on the posterior margin.
Specifications
| Object name | Spirifer crestes |
|---|---|
| ID | UNB-2018-0390 |
| 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 Epoch: Upper Devonian Age: Frasnian |
| Numeric age | 382.7 Mya |
| Origin | Rockford, Iowa, U.S.A. |
| Pieces | 1 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- J. Sowerby. 1818. No. XXX in the mineral conchology of Great Britain; or colored figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the Earth. The mineral conchology of Great Britain 3:1-194