Marsupites
| Marsupites Temporal range: Cretaceous | |
|---|---|
 | |
| Marsupites testudinarius fossil | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Subphylum: | Crinozoa |
| Class: | Crinoidea |
| Order: | Uintacrinida |
| Genus: | Marsupites |
Marsupites is an extinct genus of crinoids from the Cretaceous.
Biostratigraphic significance
The International Commission on Stratigraphy (ICS) has assigned the extinction of Marsupites testudinarius as the defining biological marker for the start of the Campanian Stage of the Cretaceous, 83.6 ± 0.2 million years ago.
Sources
- Fossils (Smithsonian Handbooks) by David Ward (Page 173)
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.