''Metapolygnathus'' is an extinct genus of platform

conodont Conodonts (Greek ''kōnos'', "cone", + ''odont'', "tooth") are an extinct group of agnathan (jawless) vertebrates resembling eels, classified in the class Conodonta. For many years, they were known only from their tooth-like oral elements, which ...

Synonyms

'' Mazzaella'' is a new genus that also includes ''Metapolygnathus baloghi'' Kovacs (1977).

Use in stratigraphy

The top of the

Carnian The Carnian (less commonly, Karnian) is the lowermost stage of the Upper Triassic Series (or earliest age of the Late Triassic Epoch). It lasted from 237 to 227 million years ago (Ma). The Carnian is preceded by the Ladinian and is followed by t ...

or the base of the

Norian The Norian is a division of the Triassic Period. It has the rank of an age (geochronology) or stage (chronostratigraphy). It lasted from ~227 to million years ago. It was preceded by the Carnian and succeeded by the Rhaetian. Stratigraphic defi ...

stages (Late Triassic) begin at the base of the conodont biozones of ''Metapolygnathus communisti'' and ''Metapolygnathus primitius''. A global reference profile for the base (a GSSP) had in 2009 not yet been appointed.

References

External links

* * Conodont genera Late Triassic fish Triassic conodonts {{conodont-stub