Patrognathus
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 | This article relies largely or entirely on a single source. (April 2024) |
| Patrognathus Temporal range:
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| Genus: | †Patrognathus |
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Patrognathus is an extinct genus of conodonts.
Use in stratigraphy
[edit | edit source]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 | edit source]- ^ 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
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