Leptaena rhomboidalis
UNB-2016-0216Fossils » Eukaryote » Animalia » Brachiopoda » Strophomenata
Description
Kingdom: Animalia
Phylum: Brachiopoda
Class: Strophomenata
Order: Strophomenida
Family: Rafinesquinidae
Genus: Leptaena (Dalman, 1828)
Subgenus: Leptaena (Leptaena) (Dalman, 1828)
Species: Leptaena (Leptaena) rhomboidalis (Wahlenberg, 1818)
Two small specimens visible in the rock that are partially disfigured. One specimen shows the brachial valve with prominent plication. Ribs are quite prominent and anterior margin is oval in outline.
The smaller specimen appears to be the pedicle valve, with rugae and defined radial ribs. Anterior margin is oval in appearance and posterior margin is straight.
Specifications
| Object name | Leptaena rhomboidalis |
|---|---|
| ID | UNB-2016-0216 |
| Legal status | Permanent collection |
| Category | Fossil |
| Classification | Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Strophomenata |
| Composition | Limestone |
| Age | Eon: Phanerozoic Era: Paleozoic Period: Silurian |
| Numeric age | 443.8 Mya |
| Origin | Unknown |
| Pieces | 3 |
| Partial | No |
| Measurements |
Publications
- Boucot, A. J., & Wilson, R. A. (1994). Origin and early radiation of terebratuloid brachiopods: thoughts provoked by Prorensselaeria and Nanothyris. Journal of Paleontology, 68(05), 1002-1025.