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Bibymalagasia
Bibymalagasia An order of mammals described in 1994 by R. D. E. MacPhee, based on the enigmatic genus (see ENIGMATIC TAXON) Plesiorycteropus, known from sub-Recent fossil material from Madagascar. The order is distinguished by having large, perforating, transarcual canals in the neural arches of the lumbar, posterior thoracic, and anterior sacral vertebrae (see VERTEBRA); a posteriomedial process on the astragalus, with a ventral groove for flexor tendons; and large ischial expansions (see ISCHIUM). Plesioryctero-pus was formerly assigned to the order Tubulidentata.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "Bibymalagasia." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "Bibymalagasia." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-Bibymalagasia.html AILSA ALLABY and MICHAEL ALLABY. "Bibymalagasia." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Bibymalagasia.html |
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Bibymalagasia
Bibymalagasia An order of mammals described in 1994 by R. E. MacPhee, based on the enigmatic genus (see ENIGMATIC TAXON) Plesiorycteropus, known from sub-Recent fossil material from Madagascar. The order is distinguished by having large, perforating, transarcual canals in the neural arches of the lumbar, posterior thoracic, and anterior sacral vertebrae; a posteromedial process on the astralagus, with a ventral groove for flexor tendons; and large ischial expansions (see ISCHIUM). Plesiorycteropus was formerly assigned to the order Tubulidentata.
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Cite this article
MICHAEL ALLABY. "Bibymalagasia." A Dictionary of Zoology. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "Bibymalagasia." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O8-Bibymalagasia.html MICHAEL ALLABY. "Bibymalagasia." A Dictionary of Zoology. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Bibymalagasia.html |
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