Anasibirites
Temporal range:
Fossil
Scientific classification
Kingdom:
Phylum:
Class:
Subclass:
Superfamily:
Meekocerataceae
Family:
Prionitidae
Genus:
Anasibirites

Species
  • A. kingianus (Waagen, 1895)
  • A. multiformis Welter, 1922

Anasibirites is an extinct genus of ammonoid cephalopod from the lower upper Smithian Wasatchites distractus Zone (Olenekian, Lower Triassic).[1]

Distribution and diversity

Anasibirites is characterized by a cosmopolitan distribution, which is unusual for Smithian aged ammonoids and probably a consequence of the Smithian-Spathian boundary extinction. Although about 60 species were erected, only two are valid, A. kingianus (Waagen, 1895) and A. multiformis Welter, 1922.[1][2][3]

References

  1. 1 2 Jattiot, Romain; Bucher, Hugo; Brayard, Arnaud; Monnet, Claude; Jenks, James F.; Hautmann, Michael (2016). "Revision of the genus Anasibirites Mojsisovics (Ammonoidea): An iconic and cosmopolitan taxon of the late Smithian (Early Triassic) extinction". Papers in Palaeontology. 2 (1): 155–188. Bibcode:2016PPal....2..155J. doi:10.1002/spp2.1036. S2CID 85908694.
  2. "Fossilworks: Anasibirites multiformis". fossilworks.org. Retrieved 17 December 2021.
  3. "Fossilworks: Anasibirites simanenkoi". fossilworks.org. Retrieved 17 December 2021.


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