Phymosoma texanum
UNB-2019-0462Fossils » Eukaryote » Animalia » Echinodermata » Echinozoa » Echinoidea » Euechinoidea
Description
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Subclass: Euechinoidea
Superorder: Acroechinoidea
Family: Phymosomatidae
Genus: Phymosoma (Haime, 1853)
Species: Phymosoma texanum (Roemer, 1852)
Four different size specimens with visible ambulacra. Largest specimen has prominent ambulacral pores while the other specimens have semi-visible ambulacral pores. Tubercles on the interambulacral area are prominent for all four specimens. Two specimens have defined peristome on the oral surface. Smallest specimen has sediment embedded on the aboral surface.
Specifications
| Object name | Phymosoma texanum |
|---|---|
| ID | UNB-2019-0462 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Echinodermata Subphylum: Echinozoa Class: Echinoidea Subclass: Euechinoidea |
| Composition | Calcium carbonate |
| Age | Eon: Phanerozoic Era: Mesozoic Period: Cretaceous Epoch: Lower Cretaceous Age: Albian |
| Numeric age | 113 Mya |
| Origin | Taylor County, Texas, U.S.A. |
| Pieces | 4 |
| Partial | No |
| Measurements |
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