Leiorhynchus rockymontanum
UNB-2018-0264Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Rhychonellida
Family: Leiorhychindae
Genus: Leiorhynchus (Hall, 1860)
Species: Leiorhynchus rockymontanum (Marcou, 1858)
Specimen with both the brachial and pedicle valves preserved. Medium ribs (0.2 cm) that are mostly weathered but are visible near the anterior margin. Large sulcus (1.5 cm) and thin, defined fold composed of three ribs (0.5 cm). Rounded/square anterior margin and rounded/triangular posterior margin. Faint plication near the commissure.
Specifications
| Object name | Leiorhynchus rockymontanum |
|---|---|
| ID | UNB-2018-0264 |
| 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 |
| Numeric age | 323.2 Mya |
| Origin | Ada, Oklahoma, U.S.A. |
| Pieces | 1 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- J. Marcou. 1858. Geology of North America with two reports on the Prairies of Arkansas and Texas, the Rocky Mountains of New Mexico, and the Sierra Nevada of California