Biology:Neostreptognathodus

Short description: Extinct genus of jawless fishes

Neostreptognathodus Temporal range: Early Permian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Genus:	†Neostreptognathodus Clark, 1972
Type species
†Neostreptognathodus sulcoplicatus (Youngquist, Hawley, and Miller, 1951) Clark, 1972
Species
Neostreptognathodus costatus Wang & Zhang †Neostreptognathodus pnevi †Neostreptognathodus exculptus †Neostreptognathodus sulcoplicatus

Neostreptognathodus is an extinct genus of conodonts from the Cisuralian (Early Permian).

Use in stratigraphy

The top of the Artinskian (the base of the Kungurian) stage is defined as the place in the stratigraphic record where fossils of conodont species Neostreptognathodus pnevi and Neostreptognathodus exculptus first appear.

Neostreptognathodus costatus is from the Early Permian Amushan Formation in Xiwuzhumuqin Qi, Inner Mongolia, in China.

External links

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• Neostreptognathodus at fossilworks.org (retrieved 18 June 2016)

Wikidata ☰ Q24884330 entry