Mammalia - Meridiolestida - Reigitheriidae

Full reference: J. F. Bonaparte. 1990. New Late Cretaceous mammals from the Los Alamitos Formation, Northern Patagonia. National Geographic Research 6(1):63-93

Parent taxon: Mesungulatoidea according to H. P. Püschel et al. 2025

See also Harper et al. 2018, Kielan-Jaworowska et al. 2004, Pascual et al. 2000 and Rougier et al. 2011

Sister taxa: Mesungulatidae, Peligrotheriidae, Reigitherium

Subtaxa: Yeutherium

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Ecology: scansorial insectivore

Distribution: found only at Mammal Quarry and Black Bone (Cretaceous of Chile)

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