Mammalia - Notoungulata - Toxodontidae

Synonym: Protoxodon Ameghino 1887

Parent taxon: Nesodontidae according to F. Ameghino 1894

See also Ameghino 1887 and Lydekker 1894

Sister taxa: Adinotherium, Berroia, Nesodon, Phobereotherium, Probereotherium, Pronesodon, Rhadinotherium, Senodon, Xotoprodon

Subtaxa: Protoxodon americanus Protoxodon decrepitus

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Ecology: scansorial herbivore

Distribution: there are no occurrences of Gronotherium in the database

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Specimen images are retrieved through the ePANDDA API.