Metapolygnathus

Metapolygnathus is an extinct genus of platform conodonts.

Metapolygnathus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
†Conodonta
Genus:
†Metapolygnathus

Hayashi 1968[1][2]
Species
  • †Metapolygnathus" baloghi
  • †Metapolygnathus communisti
  • †Metapolygnathus echinatus
  • †Metapolygnathus polygnathiformis
  • †Metapolygnathus praecommunisti[3]
  • †Metapolygnathus primitius

Synonyms

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

Use in stratigraphy

The top of the Carnian or the base of the Norian 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
  1. The Permian conodonts in chert of the Adoyama Formation, Ashio mountains, central Japan. S Hayashi, Earth Science, 1968
  2. The case of the Carnian (Triassic) conodont genus Metapolygnathus Hayashi. Ali Murat Kiliç , Pablo Plasencia, Keisuke Ishida and Francis Hirsch, Journal of Earth Science, April 2015, Volume 26, Issue 2, pages 219-223, doi:10.1007/s12583-015-0534-y
  3. A new Metapolygnathus platform conodont species and its implications for Upper Carnian global correlations. Michele Mazza, Manuel Rigo and Alda Nicora, Acta Palaeontologica Polonica, 56 (1), 2011, pages 121-131, doi:10.4202/app.2009.1104


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.