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On the Distribution of the Crayfish Genus Procambarus (Decapoda: Cambaridae)

Horton H. Hobbs, Jr.
Journal of Crustacean Biology
Vol. 4, No. 1 (Feb., 1984), pp. 12-24
Published by: on behalf of The Crustacean Society
DOI: 10.2307/1547892
Stable URL: http://www.jstor.org/stable/1547892
Page Count: 13
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On the Distribution of the Crayfish Genus Procambarus (Decapoda: Cambaridae)
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Abstract

The ranges of the 17 subgenera of the genus Procambarus, comprising 152 species and subspecies occurring in North America and Middle America, are illustrated and briefly outlined. A graphical compilation of the distribution of these crayfishes is presented showing that the greatest number of species and subspecies occur in the southeastern United States, with a decline in numbers centrifugally to Mexico where two centers of concentration occur on the eastern versant: one north and the other south of the Cordillera Volcánica Transversal. Evidence is presented for a postulated Procambarus track extending from the eastern part of the United States southwestward through Mexico, and thence northeastward to Cuba.

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