†family Protolipternidae Cifelli 1983 (placental)

Mammalia - Panameriungulata - Protolipternidae

Full reference: R. Cifelli. 1983. The origin and affinities of the South American Condylarthra and early Tertiary Litopterna (Mammalia). American Museum Novitates 2772:1-49

Parent taxon: Litopterna according to R. Cifelli 1983

See also Carroll 1988

Sister taxa: Adianthidae, Eolicaphrium, Eolitopterna, Lambdaconus elegans, Lopholipterna, Macraucheniidae, Mesorhinidae, Notonychopidae, Paulogervaisia celata, Proacrodon, Proacrodon transformatus, Proadiantus gibbus, Proterotheriidae, Sparnotheriodontidae, Thoatheriopsis

Subtaxa: Asmithwoodwardia Miguelsoria Protolipterna

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Type: Protolipterna

Ecology: scansorial herbivore

Distribution:

• Eocene of Argentina (6 collections), Brazil (1)

Total: 7 collections including 10 occurrences

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