†unranked clade Mesungulatoidea Rougier et al. 2011 (mammal)

Mammalia - Meridiolestida

Full reference: G. W. Rougier, S. ApesteguĂ­a, and L. C. Gaetano. 2011. Highly specialized mammalian skulls from the Late Cretaceous of South America. Nature 479:98-102

Parent taxon: Meridiolestida according to A. G. Martinelli et al. 2021

See also Agnolin et al. 2025 and Rougier et al. 2011

Sister taxa: Austrotriconodon, Cronopio, Leonardus, Necrolestes, Solanutherium

Subtaxa: Mesungulatidae Peligrotheriidae Reigitheriidae Reigitherium

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Ecology: scansorial insectivore

Distribution:

• Paleocene of Argentina (1 collection)

• Cretaceous of Argentina (13), Chile (1)

Total: 15 collections including 18 occurrences

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