Specialized Cranial and Dental Anatomy of Rodents

  • William W. Korth
Part of the Topics in Geobiology book series (TGBI, volume 12)


Rodents can be separated from all other eutherian mammals on the basis of a number of characteristics. Because the focus of this book is fossil rodents, the characters cited here are only those that are commonly preserved in fossils, that is, the skeleton and dentition. The skull bones and cranial foramina of rodents that are discussed throughout this work are diagrammed in Fig. 2.1. In the systematic chapters, reference to size of rodents as small, medium, and large is defined as follows: small, similar in size to modern field mice (Peromyscus) or chipmunk (Tamias) or smaller; medium, no larger than a Recent tree squirrel (Sciurus) or muskrat (Ondatra); and large, the largest rodents near the size of modern beaver (Castor) or larger.


Masseter Muscle Eutherian Mammal Cheek Tooth Horizontal Ramus Infraorbital Foramen 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • William W. Korth
    • 1
  1. 1.Rochester Institute of Vertebrate PaleontologyPenfieldUSA

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