Australosphenida
Subclass of mammals / From Wikipedia, the free encyclopedia
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The Australosphenida are a clade of mammals, containing mammals with tribosphenic molars, known from the Jurassic to Mid-Cretaceous of Gondwana. Although they have often been suggested to have acquired tribosphenic molars independently from those of Tribosphenida, this has been disputed. Fossils of australosphenidans have been found from the Jurassic of Madagascar and Argentina, and Cretaceous of Australia and Argentina. Monotremes have also been considered a part of this group in many studies, but this is also disputed.
Quick Facts Scientific classification, Taxa ...
Australosphenida | |
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Jaw fragment of Ambondro mahabo | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Infraclass: | Australosphenida Luo, Cifelli, & Kielan-Jaworowska, 2001 |
Taxa | |
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