期刊
ZOOTAXA
卷 3900, 期 4, 页码 541-554出版社
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.3900.4.5
关键词
Cambarus; Decapoda; Big Sandy River; conservation status; new species
类别
资金
- Virginia Department of Game and Inland Fisheries [2008-11221]
- Kentucky Department of Fish and Wildlife Resources [T48]
- West Virginia Division of Natural Resources Natural Heritage program
- Austrian Science Fund (FWF) [T48] Funding Source: Austrian Science Fund (FWF)
Cambarus (Puncticambarus) callainus, new species, is a stream-dwelling crayfish endemic to the Big Sandy River basin in Kentucky, Virginia, and West Virginia. Within the basin, C. callainus occurs in the Levisa, Tug, and Russell fork watersheds. The new species is morphologically and genetically most similar to Cambarus veteranus, which is endemic to the Upper Guyandotte River basin of West Virginia. The new species can be differentiated from C. veteranus by its more lanceolate rostrum (width less than 50% length), slightly more obtuse suborbital angle, and less well-defined lateral impression at the base of the chelae.
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