Patrognathus
Patrognathus Temporal range:
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Genus: | †Patrognathus |
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Patrognathus is an extinct genus of conodonts.
Use in stratigraphy
[edit]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
[edit]- ^ 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
[edit]- "Patrognathus" at the Encyclopedia of Life
- "Patrognathus". Fossilworks. Gateway to the Paleobiology Database. Retrieved 5 July 2016.
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