Cyclonema bilix
UNB-2018-0649Fossils » Eukaryote » Animalia » Mollusca » Gastropoda » Eogastropoda
Description
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Eogastropoda
Order: Euomphalina
Family: Platyceratidae
Genus: Cyclonema (Hall, 1852)
Species: Cyclonema bilix (Conrad, 1842)
Two trochoid dextral specimens, labeled a to b, with three whorls. Apex of spire. Thin transverse spiral ornamentation is visible on the whorls. Circular aperture that is infilled with sediment.
Specifications
| Object name | Cyclonema bilix |
|---|---|
| ID | UNB-2018-0649 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Mollusca Class: Gastropoda Subclass: Eogastropoda |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Ordovician to Late Ordovician |
| Numeric age | 450 Mya |
| Origin | Richmond, Ohio, U.S.A. |
| Pieces | 2 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- T. A. Conrad. 1842. Observations on the Silurian and Devonian systems of the United States, with descriptions of new organic remains. Journal of the Academy of Natural Sciences of Philadelphia 8(2):228-280
- J. Hall. 1852. Containing descriptions of the organic remains of the lower middle division of the New York system. Paleontology of New York 2:1-362