Rank Method Rank calculation - Biotics v2
Review Date2023-05-17
Change Date1996-09-23
Edition Date2023-05-17
Edition AuthorsHammerson, G. (2011), M. Ormes (2023)
Threat ImpactLow
Range Extent20,000-200,000 square km (about 8000-80,000 square miles)
Number of Occurrences81 - 300
Range Extent CommentsThe range of this species complex includes tributaries of lower Ohio River in southern Illinois and Kentucky; Green River drainage, Kentucky; upper Cumberland River drainage (Big South Fork and above), Kentucky and Tennessee; Tennessee River drainage, Kentucky, Tennessee, Georgia, Alabama, and Mississippi (Page and Burr 2011).
Near et al. (2023) suggest that there at least five species involved in this complex: E. kennicotti (sensu stricto) in the Clarks River system and the lower Ohio River in southern Illinois, Kentucky, and Tennessee. E. cumberlandicum in the Big South Fork and Cumberland River above the Falls, E. cf. kennicotti in the Tennessee River system in Kentucky, Tennessee, Alabama, Georgia, and Mississippi; E. cf. kennicotti in the Green River system, Kentucky, and E. cf. kennicotti distributed in the Laurel River system in Kentucky.