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Systematics and biogeography of the Helminthoglyptidae of Sonora.

A study of the Helminthoglyptidae of Sonora was undertaken to determine the extent of their distribution and speciation. As a result, nine new species of Sonorella are described, and new ranges of the known species are given. The status of the family is reviewed and its standing is supported with the analysis of morphological characteristics of several genera. The zoogeography of the family and its distribution are shown. Possible dispersal and isolation mechanisms are discussed in order to explain the present distribution of these snails, and comments on ecological and speciation accounts are offered.

Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/184460
Date January 1988
CreatorsNaranjo-Garcia, Edna.
ContributorsMiller, Walter B., Mead, Albert, Pickens, Peter E., Mason, Charles, VanAsdall, Willard
PublisherThe University of Arizona.
Source SetsUniversity of Arizona
LanguageEnglish
Detected LanguageEnglish
Typetext, Dissertation-Reproduction (electronic)
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.

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