Spalacidae sentence example

spalacidae
  • The Spalacidae are burrowing types, allied apparently to the ancestral Jaculidae, and characterized by the second and third molars being equal in size, the presence of enamel-folds in all these teeth, and the superiority in size of the claws of the second, third and fourth front toes over the other two.

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  • The characteristics of the Muridae are those of the Myoidea generally, as given above under the heading of the Spalacidae.

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  • Ellobius, which many naturalists place in this group, has been mentioned among the Spalacidae.

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  • The beavers (Castoridae) are restricted to the northern hemisphere, whereas the dormice (Gliridae) and the mole-rats (Spalacidae) are exclusively Old World forms, the latter only entering the north of Africa, in which continent the former are largely developed.

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