Patrognathus
| Patrognathus Temporal range: Tournaisian | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Conodonta |
| (unranked): | †Prioniodontida |
| Order: | †Ozarkodinida |
| Superfamily: | †Polygnathacea |
| Family: | †Cavusgnathidae |
| Genus: | †Patrognathus Rhodes, Austin & Druce, 1969[1] |
| Species | |
| |
Patrognathus is an extinct genus of conodonts.
Use in stratigraphy
The Tournaisian, the oldest age of the Mississipian (also known as Lower Carboniferous) contains eight conodont biozones, four of which contain Patrognathus species:
- the zone of Siphonodella quadruplicata and Patrognathus andersoni (upper zone of Patrognathus andersoni)
- the lower zone of Patrognathus andersoni
- the zone of Patrognathus variabilis
- the zone of Patrognathus crassus
References
- ↑ British Avonian (Carboniferous) conodont faunas, and their value in local and intercontinental correlation. FHT Rhodes, RL Austin, EC Druce, 1969, British Museum (Natural History)
External links
- Patrognathus at the Encyclopedia of Life
- Patrognathus at fossilworks.org (retrieved 5 July 2016)
This article is issued from Wikipedia - version of the 10/30/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.