†suborder Trituberculata (metatherian)

Mammalia - Theriiformes

Parent taxon: Polyprotodontia according to H. Gadow 1898

See also Carroll 1988 and Gregory 1910

Sister taxa: none

Subtaxa: Amphitheriidae Idiogenomys

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Ecology: scansorial omnivore

Distribution:

• Eocene of United States (1: Nebraska collection)

• Paleocene of France (1)

• Jurassic of Kyrgyzstan (1), Morocco (1), the Russian Federation (1), the United Kingdom (1)

Total: 6 collections each including a single occurrence

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