Patrognathus

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Patrognathus
Temporal range: Tournaisian
Scientific classification
Kingdom:
Phylum:
Chordata
Class:
(unranked):
Order:
Superfamily:
Family:
Genus:
Patrognathus

Rhodes, & , 1969[1]
Species
  • Patrognathus andersoni
  • Patrognathus crassus
  • Patrognathus variabilis

Patrognathus is an extinct genus of conodonts.

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[]

  1. ^ 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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