Biology:Agriarctos

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Short description: Extinct genus of bears


Agriarctos
Temporal range: Middle to Late Miocene
Teeth of Agriarctos nikolovi.png
Teeth of?Ag. nikolovi: A, NMNHS FM3546-b, upper canine in labial and lingual views; B, NMNHS FM3546-a, P4 in buccal, occlusal, and lingual views.
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Ursidae
Tribe: Ailuropodini
Genus: Agriarctos
Kretzoi, 1942
Type species
A. gaali
Kretzoi, 1942
Species
  • A. depereti (Schlosser, 1902)
  • A. gaali Kretzoi, 1942
  • A. nikolovi Jiangzuo & Spassov, 2022
  • A. vighi Kretzoi, 1942

Agriarctos is an extinct genus of panda from the Middle to Late Miocene, approximately 8-18 million years ago. This genus and its type species A. gaali was established based on fossils from Hatvan, Hungary, and A. vighi based on fossils from Rózsaszentmárton. Miklós Kretzoi proposed Agriarctos was closely related with Agriotherium. Previously published, Ursavus depereti was assigned to Agriarctos by Kretzoi, but now proved to be polyphyletic.[1][2]

Agriarctos beatrix was published in 2011 as a new species of Agriarctos.[3] It was later erected as a new genus Kretzoiarctos, which was named after Kretzoi.[4]

References

  1. Kretzoi, M. (1942). "Zwei neue Agriotheriiden aus dem ungarischen Pannon". Földtani Közlöny 72: 350–353. https://www.biodiversitylibrary.org/page/50724142. 
  2. Jiangzuo, Qigao; Spassov, Nikolai (2022-07-31). "A late Turolian giant panda from Bulgaria and the early evolution and dispersal of the panda lineage". Journal of Vertebrate Paleontology 42 (1): e2054718. doi:10.1080/02724634.2021.2054718. ISSN 0272-4634. Bibcode2022JVPal..42E4718J. https://zenodo.org/records/6953111/files/source.pdf. 
  3. Abella, J.; Montoya, P.; Morales, J. (2011). "A New Species of Agriarctos (Ailuropodinae, Ursidae, Carnivora) in the Locality of Nombrevilla 2 (Zaragoza, Spain)". Estudios Geológicos 67 (2): 187–191. doi:10.3989/egeol.40714.182. 
  4. Abella, Juan; Alba, David M.; Robles, Josep M.; Valenciano, Alberto; Rotgers, Cheyenne; Carmona, Raül; Morales, Jorge; Montoya, Plinio (2012). "Kretzoiarctos Gen. Nov., the Oldest Member of the Giant Panda Clade". PLOS ONE 7 (11): 1–5. doi:10.1371/journal.pone.0048985. PMID 23155439. Bibcode2012PLoSO...748985A. 

Wikidata ☰ Q21356805 entry