Heterocrinus simplex
UNB-2019-0504Fossils » Eukaryote » Animalia » Echinodermata » Crinozoa » Crinoidea » Pentacrinoidea
Description
Kingdom: Animalia
Phylum: Echinodermata
Class: Crinoidea
Subclass: Pentacrinoidea
Order: Disparida
Family: Homocrinidae
Genus: Heterocrinus (Hall, 1872)
Species: Heterocrinus simplex (Hall, 1847)
Two specimens of partial calyx with visible brachia. Smaller specimen has individual basal plates and columnals that are part of the stem.
Specifications
| Object name | Heterocrinus simplex |
|---|---|
| ID | UNB-2019-0504 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Echinodermata Subphylum: Crinozoa Class: Crinoidea Subclass: Pentacrinoidea |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Ordovician Epoch: Upper Ordovician |
| Numeric age | 458.4 Mya |
| Origin | Madison, Indiana, U.S.A. |
| Pieces | 2 |
| Partial | No |
| Measurements |
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Map of Origin
Publications
- J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338