Chapter

Materials and Methods

James L. Patton, David G. Huckaby and Sergio Ticul Álvarez-Castañeda

in The Evolutionary History and a Systematic Revision of Woodrats of the Neotoma lepida Group

Published by University of California Press

Published in print April 2008 | ISBN: 9780520098664
Published online March 2012 | e-ISBN: 9780520942592 | DOI: http://dx.doi.org/10.1525/california/9780520098664.003.0002
Materials and Methods

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This chapter discusses matters about the examination of 4,600 specimens of desert woodrats from 1,095 individual localities. Most of these are housed in the collections of the Museum of Vertebrate Zoology, which contains 3,419 specimens of woodrats of the Neotoma lepida group, including 3,004 from the United States and 415 from Mexico. The molars of woodrats are coronally hypsodont, with elevated crowns that erupt and begin to wear before the roots and growth cease. Most individuals with the base of the hypoflexus still hidden by the bony alveolus were still in juvenile or subadult pelage, and were considered very young and not measured. Individual sample localities were initially grouped arbitrarily by close geographic proximity and commonality of taxon assignment.

Keywords: specimens; Vertebrate; hypoflexus; taxon; hypsodont

Chapter.  5948 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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