Revision of the extinct gigantic rat kangaroos (Potoroidae

Marsupialia), with description of a new Miocene genus and species and a new Pleistocene species of Propleopus ( Australia).

M. Archer, T. Flannery

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Ekaltadeta ima n. gen. and sp., from freshwater limestones of probable middle Miocene age in northwestern Queensland, is a primitive relative of Pliocene and Pleistocene species of Propleopus. Three Pleistocene species of Propleopus are recognized. Aspects of M2 and probably I1, morphology indicate that E. ima and the species of Propleopus are monophyletic. The primitive arrangement of the cuspids on the trigonid of M2 and the morphology of the masseteric canal further suggest that the giant rat kangaroos of the genus Propleopus and Ekaltadeta are the plesiomorphic sister group of all other potoroids. Within the current framework of macropodoid systematics, this group requires recognition at the subfamily level. Accordingly, Propleopinae is proposed as a name for the group. Propleopines may have been omnivores and/or carnivores.-from Authors

Original languageEnglish
Pages (from-to)1331-1349
Number of pages19
JournalJournal of Paleontology
Volume59
Issue number6
Publication statusPublished - 1985

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