Dawsonoceras americanum
UNB-2018-0497Fossils » Eukaryote » Animalia » Mollusca » Cephalopoda » Orthoceratoidea
Description
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Orthoceratoidea
Order: Orthocertida
Family: Dawsonoceratidae
Genus: Dawsonoceras (Hyatt, 1884)
Species: Dawsonoceras americanum (Foord, 1888?)
Two large specimens with orthoconic shells embedded into the sediment. Prominent, transverse annulation (0.7 cm).
Specifications
| Object name | Dawsonoceras americanum |
|---|---|
| ID | UNB-2018-0497 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Orthoceratoidea |
| Composition | Limestone |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Silurian Epoch: Wenlock Age: Sheinwoodian to Homerian |
| Numeric age | 433.4 - 430.5 Mya |
| Origin | Indiana or Kentucky, U.S.A. |
| Pieces | 2 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- A. Hyatt. 1884. Genera of fossil cephalopods. Proceedings of the Boston Society of Natural History 22:253-338