Helisoma eucosmium (Bartsch, 1908)
Taxonomy & Nomenclature
Conservation Status
Rediscovered in 1995 or before
Distribution
North Carolina (southeastern), USA
Biology & Ecology
Hypodigm
Media
References
Adams, W. F. and Brady, S. G. (1995). Rediscovery of the aquatic gastropod Helisoma eucosmium (Bartsch, 1908), (Basommatophora: Planorbidae). Brimleyana 22: 23-29. [Abstract]
Bogan, A. E., M. R. Raley and J. F. Levine (2003) Final report on the taxonomic status of the Greenfield ramshorn, Helisoma eucosmium (Bartsch, 1908) and the magnificent ramshorn, Planorbella magnifica (Pilsbry 1903) (Mollusca, Gastropoda, Planorbidae) from eastern North Carolina. Unpublished report filed with the US Fish & Wildlife Service, Asheville. 22 pp.
http://extinctanimals.proboards.com/thread/21514/helisoma-eucosmium