期刊
ACTA PALAEONTOLOGICA POLONICA
卷 54, 期 1, 页码 1-6出版社
INST PALEOBIOLOGII PAN
DOI: 10.4202/app.2009.0101
关键词
Mammalia; Multituberculata; Cimolodonta; Cretaceous; Gondwana; Australia
类别
资金
- Dinosaur Dreaming Project, Museum Victoria, Monash University
- National Geographic Society [7545-03]
- Australian Research Council [DP0209280]
- Australian Research Council [DP0209280] Funding Source: Australian Research Council
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.
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