ammonites
Seumadia Simpson 1935 (marsupial)

Mammalia - Polydolopimorphia - Polydolopidae

Full reference: G. G. Simpson. 1935. Descriptions of the oldest known South American mammals, from the Rio Chico Formation. American Museum Novitates 793:1-25

Parent taxon: Polydolopidae according to C. d. Paula Couto 1952

Sister taxa: Amphidolops, Eudolops, Polydolopinae, Polydolops, Roberthoffstetteria

Subtaxa: Seumadia yapa

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Type: Seumadia yapa

Ecology: scansorial omnivore