Neostreptognathodus

Neostreptognathodus
Temporal range: Early Permian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: †Conodonta
Genus: †Neostreptognathodus
Clark, 1972[1]
Type species
†Neostreptognathodus sulcoplicatus (Youngquist, Hawley, and Miller, 1951) Clark, 1972
Species
  • Neostreptognathodus costatus Wang & Zhang[2]
  • †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.

references

  1. ↑ Conodont Biofacies and Provincialism. David Leigh Clark, 1984
  2. ↑ Chengyuan Wang; Fang Zhang (2015). "A new Early Permian conodont species from the Amushan Formation in Xiwuzhumuqin Qi, Inner Mongolia, China". Acta Micropalaeontologica Sinica 32 (2): 209–218.
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