Suborder †Ozarkodinina | Phylum Chordata | |
Genus †PalmatolepisMüller 1956 Similar Polygnathus, Conodont, Manticoceras, Cyrtospirifer, Stromatoporoidea |
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.
Contents
Species
Use in stratigraphy
The Famennian (372.2 ± 1.6 mya) 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.
References
Palmatolepis Wikipedia(Text) CC BY-SA