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The Propinquus Group of the Crawfish Genus Orconectes (Decapoda: Astacidae)

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Title: The Propinquus Group of the Crawfish Genus Orconectes (Decapoda: Astacidae)
Creators: Fitzpatrick, J. F., Jr.
Issue Date: 1967-05
Citation: The Ohio Journal of Science. v67 n3 (May, 1967), 129-172
Abstract: Nine species and subspecies assigned to the Propinquus Group, Propinquus Section, of the crawfish genus Orconectes are evaluated on the basis of 1226 specimens examined. Eleven characters are analyzed statistically and 12 more qualitatively, principally by determination of comparative frequencies. O. jeffersoni is judged specifically distinct from O. propinquus and the conspecific O. s. sanborni and O. s. erismophorous. All other taxa of the Group are distinct species. A new species from Iowa is diagnosed, but not described. Two distinct subgroups, Propinquus and Sanborni, are proposed and diagnosed. A lectotype and paralectotypes were designated for Cambarus obscurus Hagen and for Cambarus sanborni Faxon. Standard taxonomic characters in crawfishes are discussed briefly with particular reference to the Propinquus Group.
URI: http://hdl.handle.net/1811/5295
ISSN: 0030-0950
Rights: Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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