Gnathodus

Gnathodus
Temporal range: Early Carboniferous
Conodont elements from the Deer Valley Member of the Mauch Chunk Formation
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Conodonta
Order: Ozarkodinida
Family: Idiognathodontidae
Genus: Gnathodus
Pander, 1856[1]
Species
  • Gnathodus bilineatus
  • Gnathodus bollandensis
  • Gnathodus postbilineatus
  • Gnathodus pseudosemiglaber
  • Gnathodus semiglaber
  • Gnathodus texanus
  • Gnathodus typicus

Gnathodus is an extinct conodont genus in the family Idiognathodontidae.

Use in stratigraphy

The Tournaisian, the oldest age of the Mississippian (also known as Lower Carboniferous), contains eight conodont biozones, 3 of which are defined by Gnathodus species:

The Visean, the second age of the Mississippian, contains four conodont biozones, two of which are defined by Gnathodus species:

The Serpukhovian, the third or youngest age of the Mississippian, includes four conodont biozones, two of which are defined by Gnathodus species:

References

  1. Monographie der fossilen fische des silurischen systems des Russisch-baltischen gouvernements. CH Pander, 1856


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