Plaesiomys subquadratus
UNB-2018-0122Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Rhynchonellata
Order: Orthida
Family: Dalmanellidae
Genus: Plaesiomys (Hall and Clarke, 1892)
Species: Plaesiomys subquadratus (Hall, 1847)
Specimen with both the brachial and pedicle valves preserved. Medium, prominent ribs and faint growth lines visible near the anterior margin. Faint sulcus. Brachial valve is slightly concave near the anterior margin and the pedicle valve is slightly convex. Rounded/square anterior margin and straight/rounded posterior margin.
Specifications
| Object name | Plaesiomys subquadratus |
|---|---|
| ID | UNB-2018-0122 |
| 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 | Oxford, Ohio, U.S.A. |
| Pieces | 1 |
| Partial | No |
| Measurements |
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