Palmatolepis


Palmatolepis is an extinct conodont genus in the family Palmatolepidae. It was the most abundant genus of conodonts of the Late Devonian, disappearing during the Devonian/Carboniferous crisis.

Species

  • Palmatolepis glabra
  • Palmatolepis hassi
  • Palmatolepis khaensis Savage 2013
  • Palmatolepis marki Savage 2013
  • Palmatolepis spallettae
  • Palmatolepis subperlobata
  • * †Palmatolepis subperlobata lapoensis Savage 2013
  • Palmatolepis triangularis
  • †''Palmatolepis unicornis''

Use in stratigraphy

The Famennian is defined by a GSSP Golden Spike located at Coumiac quarry, Montagne Noire, France where there is a biologic abundant occurrence of Palmatolepis triangularis.
During that stage, a biologic event occurred (Upper Kellwasser Extinction of all Ancyrodella and Ozarkodina and most Palmatolepis, Polygnathus and Ancyrognathus.