An infraclass of MAMMALS, also called Metatheria, where the young are born at an early stage of development and continue to develop in a pouch (marsupium). In contrast to Eutheria (placentals), marsupials have an incomplete PLACENTA
Marsupialia -- genetics. : Mammals from pouches and eggs : genetics, breeding and evolution of marsupials and monotremes / edited by Jennifer A. Marshall Graves, Rory M. Hope and Desmond W. Cooper
Marsupialia -- legislation & jurisprudence : A Guide to the use of Australian native mammals in biomedical research, including sections 1-3 / Department of Community Services and Health
Marsupials -- America : American and Australasian marsupials : an evolutionary, biogeographical, and ecological approach / Nilton C. Cáceres, Christopher R. Dickman, editors