Mammalia - Panameriungulata - Proterotheriidae
Synonyms: Heterolambda Ameghino 1904, Lopholambda Ameghino 1904
Full reference: F. Ameghino. 1901. Notices préliminaires sur des ongulés nouveaux des terrains crétacés de Patagonie [Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia]. Boletin de la Academia Nacional de Ciencias de Córdoba 16:349-429
Parent taxon: Proterotheriidae according to G. G. Simpson 1948
See also Ameghino 1901, Ameghino 1904, Cifelli 1983, Simpson 1935 and Simpson 1967
Sister taxa: Anisolambda, Anisolambda nodulosa, Anisolambdinae, Anisolophus, Brachytherini, Caliphrium, Deuterotherium, Diplasiotherium, Eoauchenia, Eoproterotherium, Eoprotherotherium, Epecuenia, Guilielmofloweria, Heteroglyphis, Lambdaconus, Licaphrops, Lophogododon, Megadolodinae, Mesolicaphrium, Neodolodus, Neolicaphrium, Olisanophus, Paramacrauchenia, Phoradiadius, Picturotherium, Polyacrodon, Prolicaphrium, Promylophis, Proterotheriinae, Proterotherini, Prothoatherium, Tetramerorhinus, Thoatherium, Villarroelia, Xesmodon
Subtaxa: Ricardolydekkeria cinctula Ricardolydekkeria lunulata Ricardolydekkeria praerupta Ricardolydekkeria profunda
Type: Ricardolydekkeria praerupta
Ecology: scansorial herbivore
Distribution:
• Eocene of Argentina (3 collections)
• Paleocene of Argentina (1)
Total: 4 collections including 6 occurrences
Specimen images are retrieved through the ePANDDA API.
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