An Australian multituberculate and its palaeobiogeographic implications

Thomas H. Rich*, Patricia Vickers-Rich, Timothy F. Flannery, Benjamin P. Kear, David J. Cantrill, Patricia Komarower, Lesley Kool, David Pickering, Peter Trusler, Steven Morton, Nicholas Van Klaveren, Erich M G Fitzgerald

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

A dentary fragment containing a tiny left plagiaulacoid fourth lower premolar from the Early Cretaceous (Aptian) of Victoria provides the first evidence of the Multituberculata from Australia. This unique specimen represents a new genus and species, Corriebaatar marywaltersae, and is placed in a new family, Corriebaataridae. The Australian fossil, together with meagre records of multituberculates from South America, Africa, and Madagascar, reinforces the view that Multituberculata had a cosmopolitan distribution during the Mesozoic, with dispersal into eastern Gondwana probably occurring prior to enforcement of climatic barriers (indicated by marked differentiation in regional floras) in the Early Cretaceous.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalActa Palaeontologica Polonica
Volume54
Issue number1
DOIs
Publication statusPublished - 2009

Keywords

  • Australia
  • Cimolodonta
  • Cretaceous
  • Gondwana
  • Mammalia
  • Multituberculata

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