Hemiaster whitei
UNB-2019-0472Fossils » Eukaryote » Animalia » Echinodermata » Echinozoa » Echinoidea » Euechinoidea
Description
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Subclass: Euechinoidea
Order: Spatangoida
Family: Hemiasteridae
Genus: Hemiaster (Agassiz and Desor, 1847)
Species: Hemiaster whitei (Clark, 1891)
Heart-shaped specimen with visible anterior and slight posterior groove. Ambualcra are prominent with partial visibility of the ambulacral pores. Peristome is preserved.
Specifications
| Object name | Hemiaster whitei |
|---|---|
| ID | UNB-2019-0472 |
| 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 to Middle Albian to Late Albian |
| Numeric age | 106 - 103 Mya |
| Origin | Fort Worth, Texas, U.S.A. |
| Pieces | 1 |
| Partial | No |
| Measurements |
|
Map of Origin
Publications
- L. Agassiz and P. J. E. Desor. 1847. Catalogue raisonné des familles, des genres, et des espèces de la classe des échinodermes. Annales des Sciences Naturelles, Troisième Série, Zoologie 7-8