Composita subtilita
UNB-2018-0322Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Athyridida
Family: Athyrididae
Genus: Composita (Brown, 1849)
Species: Composita subtilita (Hall, 1852)
Three specimens labelled a to c, with both the brachial and pedicle valves preserved. Prominent, thin growth lines. Faint sulcus (0.8 cm) visible near the anterior margin. Plication near the commissure. Rounded anterior margin and triangular posterior margin. Small rounded beak.
Specifications
| Object name | Composita subtilita |
|---|---|
| ID | UNB-2018-0322 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Carboniferous Subperiod: Pennsylvanian Age: Late Pennsylvanian |
| Numeric age | 299 Mya |
| Origin | Stanzel, Iowa, U.S.A. |
| Pieces | 3 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- J. Hall. 1852. Notes on some of the fossils collected on the route from the Missouri River to the Great Salt Lake and in the vicintiy of the latter place. Exploration and survey of the valley of the Great Salt Lake of Utah. U. S. 32nd Congress Special Session, S. Ex. Doc. 3:407-414