Paucituberculata sentence example

paucituberculata
  • Existing marsupials may be divided into three main divisions or sub-orders, of which the first, or Polyprotodontia, is common to America and Australasia; the second, or Paucituberculata, is exclusively South American; while the third, or Diprotodonts, is as solely Australasian inclusive of a few in the eastern Austro-Malayan islands.
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  • As a sub-order, the Paucituberculata are characterized by the presence of four pairs of upper and three of lower incisor teeth; the enlargement and forward inclination of the first pair of lower incisors, and the presence of four or five sharp cusps on the cheek-teeth, coupled with the absence of "syndactylism" in the hind limbs.
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  • Sub-orders: Polyprotodonta, Paucituberculata, Diprotodonta.
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  • - The second suborder of marsupials, the Paucituberculata, is exclusively South American, and typically represented by the family Epanorthidae, the majority of the members of which are extinct, their remains being found in the probably Miocene Santa Cruz beds of Patagonia, although one existing genus (Caenolestes) survives in Ecuador and Colombia.
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