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Temporal range: Middle - Late Jurassic
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Family: Henosferidae
Genus: Asfaltomylos
Rauhut, Martin, Ortiz-Jaureguizar & Puerta, 2002
Species: A. patagonicus
Binomial name
Asfaltomylos patagonicus
Rauhut, Martin, Ortiz-Jaureguizar & Puerta, 2002

Asfaltomylos is an extinct genus of the primitive mammal subclass Australosphenida from the middle Jurassic of Argentina. Only one species is recorded, Asfaltomylos patagonicus, from the Cañadon Asfalto Formation, Chubut Province, Patagonia.


  • Martin, T. & Rauhut, O. W. M. 2005. Mandible and dentition of Asfaltomylos patagonicus (Australosphenida, Mammalia) and the evolution of tribosphenic teeth. Journal of Vertebrate Paleontology 25 (2): 414-425.
  • Rauhut, O. W. M., Martin, T., Ortiz-Jaureguizar, E. & Puerta, P. 2002. A Jurassic mammal from South America. Nature 416: 165-168.