Patrognathus
Patrognathus is an extinct genus of conodonts.
Patrognathus Temporal range: | |
---|---|
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
(unranked): | |
Order: | |
Superfamily: | |
Family: | |
Genus: | †Patrognathus |
Species | |
|
Use in stratigraphy
The Tournaisian, the oldest age of the Mississippian (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. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.