Rhynchotrema dentatum
UNB-2018-0213Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Rhynchonellida
Family: Rhynchotrematidae
Genus: Rhynchotrema (Hall, 1860)
Species: Rhynchotrema dentatum (Hall, 1847)
Seven specimens, labeled a to g, with both the brachial and pedicle valves preserved. Prominent, medium ribs (~0.1 cm). Large, thin sulcus (~0.5 cm) and thin fold composed of two ribs (~0.3 cm). Rounded anterior margin and rounded/triangular posterior margin. Small beak. Faint plication, some specimens are encrusted with sediment near the commissure.
*Measurements are of one specimen that is in between the largest and smallest specimen.
Specifications
| Object name | Rhynchotrema dentatum |
|---|---|
| ID | UNB-2018-0213 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Ordovician to Late Ordovician |
| Numeric age | 450 Mya |
| Origin | Richmond, Indiana, U.S.A. |
| Pieces | 7 |
| Partial | No |
| Measurements |
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