An Australian multituberculate and its palaeobiogeographic implications

被引：27

作者：

Rich, Thomas H. ^{[1
]}

Vickers-Rich, Patricia ^{[2
]}

Flannery, Timothy F. ^{[4
]}

Kear, Benjamin P. ^{[5
]}

Cantrill, David J. ^{[1
]}

Komarower, Patricia ^{[2
]}

Kool, Lesley ^{[2
]}

Pickering, David ^{[6
]}

Trusler, Peter ^{[1
]}

Morton, Steven ^{[3
]}

Van Klaveren, Nicholas ^{[1
]}

Fitzgerald, Erich M. G. ^{[1
]}

机构：

[1] Museum Victoria, Melbourne, Vic 3001, Australia

[2] Monash Univ, Sch Geosci, Clayton, Vic 3800, Australia

[3] Monash Univ, Sch Phys, Clayton, Vic 3800, Australia

[4] Macquarie Univ, N Ryde, NSW 2109, Australia

[5] La Trobe Univ, Dept Genet, Bundoora, Vic 3086, Australia

[6] Royal Bot Gardens Melbourne, S Yarra, Vic 3141, Australia

来源：

ACTA PALAEONTOLOGICA POLONICA | 2009年 / 54卷 / 01期

基金：

澳大利亚研究理事会;

关键词：

Mammalia; Multituberculata; Cimolodonta; Cretaceous; Gondwana; Australia; ALEXANDER-ISLAND; SOUTHERN-HEMISPHERE; ANTARCTICA; MAMMALS; MONOTREME; EVOLUTION; AMERICA; CLADES; TEETH; GENUS;

D O I：

10.4202/app.2009.0101

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

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.

引用

页码：1 / 6

页数：6

共 55 条

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