Biology:Diplognathodus

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Short description: Extinct genus of jawless fishes


Diplognathodus
Temporal range: Carboniferous–Permian
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
†Conodonta
(unranked):
†Prioniodontida
Order:
†Ozarkodinida
Family:
†Anchignathodontidae
Genus:
†Diplognathodus

Kozur & Merrill in Kozur (1975)[1]
Species
  • †Diplognathodus coloradoensis
  • †Diplognathodus edentulus
  • †Diplognathodus ellesmerensis
  • †Diplognathodus orphanus

Diplognathodus is an extinct genus of conodonts in the family Anchignathodontidae.[2][3] Specimens are found in Carboniferous[4] and Permian formations.

The genus Sweetognathus originated in the earliest Permian as S. expansus from Diplognathodus edentulus.[5]

Diplognathodus ellesmerensis has been proposed as a marker of the Moscovian, in the Pennsylvanian age of the Carboniferous.

References

  1. ↑ Kozur, H. & Merrill, G.K. 1975. Genus Diplognathodus. In : Kozur, H. Beiträge zur Conodontenfauna des Perm. Geologisch-Paläontologische Mitteilungen, Innsbruck, pages 9-10
  2. ↑ Tectonic implications of Pennsylvanian and Permian conodont biostratigraphy at selected locations in the Diamond Range, White Pine and Eureka Counties. D Van Hofwegen, 1995 (Thesis, retrieved 06 June 2016)
  3. ↑ Diplognathodus occurrence in the Itaituba Formation, Amazonas Basin, Brazil. Ana Karina Scomazzon and Valesca Brasil Lemos, Revista Brasileira de Paleontologia 8(3):203-208, September/December 2005
  4. ↑ On some occurrences of Diplognathodus in Carboniferous strata of Western Europe and North Africa. M. van den Boogaard, Scripta Geol., 69 (1983)
  5. ↑ Evolution and distribution of the conodonts Sweetognathus and Iranognathus and related genera during the Permian, and their implications for climate change. S Mei, CM Henderson, BR Wardlaw - Palaeogeography, Palaeoclimatology, 2002
  • Hindeodus, Diplognathodus, and Ellisonia Revisited—An Identity Crisis in Permian Conodonts. PH Von Bitter and GK Merrill, Geologica et Palaeontologica, 1985
  • Effects of variation on the speciation and phylogeny of Diplognathodus. PH Von Bitter and GK Merrill, Cour. Forsch.-Inst. Senckenberg, 1990

External links

Wikidata ☰ Q24883439 entry




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