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Griphodon

From Wikipedia, the free encyclopedia
Extinct genus of mammals
This article includes alist of references,related reading, orexternal links,but its sources remain unclear because it lacksinline citations. Please helpimprove this article byintroducing more precise citations.(May 2022) (Learn how and when to remove this message)

Griphodon
Temporal range:Middle Eocene
~48–37 Ma
Mandible ofGriphodon
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Pyrotheria
Family:Pyrotheriidae
Genus:Griphodon
Anthony 1924
Type species
Griphodon peruvianus
Anthony, 1924
Species
  • G. peruvianusAnthony 1924

Griphodon is anextinctgenus ofmammals, belonging to the orderPyrotheria. It lived during the MiddleEocene, in what is nowPeru.

Description

[edit]

All that is known about this animal is a fragment of a mandible complete with teeth. Its teeth were two-crested, slightly more transversal than in other genera such asCarolozittelia, but there are indications of the presence of a longitudinal crest, and even, in the thirdpremolar, of a complete crest, not found inPyrotherium.

Classification

[edit]

Griphodon peruvianus was first described in 1924 by Anthony, who considered it to be aPerissodactyl. The fragmentary fossil was found nearChicoca, along theHuallaga River. Subsequently the genus was considered a basal member of the Pyrotheres, a mysterious clade of heavy-shaped mammals from the EarlyCenozoic of South America, of uncertain affinities. Other fossils attributed toGriphodon were later found nearContamana in theLoreto Province ofPeru.

Paleoecology

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Griphodon seems to had a diet mainly composed of tough plants, which were crushed by its powerful crested teeth.

Bibliography

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  • H. E. Anthony. 1924. A new fossil perissodactyl from Peru. American Museum Novitates 111:1-3
  • B. J. Shockey and F. Anaya-Daza. 2004. Pyrotherium macfaddeni, sp. nov. (late Oligocene, Bolivia) and the pedal morphology of pyrotheres. Journal of Vertebrate Paleontology 24(2):481-488
  • P. Antoine, M. A. Abello, S. Adnet, A. J. Altamirano Sierra, P. Baby, G. Billet, M. Boivin, Y. Calderón, A. Candela, J. Chabain, F. Corfu, D. A. Croft, M. Ganerød, C. Jaramillo, S. Klaus, L. Marivaux, R. E. Navarrete, M. J. Orliac, F. Parra, M. E. Pérez, F. Pujos, J. Rage, and A. R. 2016. A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru. Gondwana Research 31:30-59
Xenungulata,Pyrotheria,Astrapotheria, and other minor groups
Kollpaniidae?
Didolodontidae
Protolipternidae
Xenungulata
Carodniidae
Pyrotheria
Colombitheriidae
Pyrotheriidae
Astrapotheria
Trigonostylopidae
Astrapotheriidae
Albertogaudryinae
Astrapotheriinae
Uruguaytheriinae
Carodnia vieirai

Pyrotherium romeroi

Astrapotherium magnum
Eulitopterna
Adianthidae
Macraucheniidae
Cramaucheniinae
Macraucheniinae
Proterotherioidea
Anisolambdinae
Sparnotheriodontinae
Megadolodinae
Proterotheriinae
Notopterna
Amilnedwardsiidae
Indaleciidae
Notonychopidae
Incertae sedis
Theosodon garretorumXenorhinotherium bahiense
incertae sedis
Notioprogonia
Henricosborniidae
Notostylopidae
Toxodontia
Homalodotheriidae
Isotemnidae
Eutoxodontia
Leontiniidae
Notohippidae
Toxodontidae
Nesodontinae
Toxodontinae
Typotheria
Archaeopithecidae
Oldfieldthomasiidae
Interatheriidae
Interatheriinae
Notopithecinae
Mesotheriidae
Mesotheriinae
Archaeohyracidae
Hegetotheriidae
Hegetotheriinae
Pachyrukhinae
Pachyrukhini
Thomashuxleya rostrata

Huilatherium pluriplicatum

Toxodon platensis
Griphodon
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