|Scientific Name:||Athearnia crassa|
|Species Authority:||(Haldeman, 1841)|
Leptoxis crassa (Haldeman, 1841)
|Taxonomic Source(s):||Johnson, P.D., Bogan, A.E., Brown, K.M., Burkhead, N.M., Cordeiro, J.R., Garner, J.T., Hartfield, P.D., Lepitzki, D.A.W., Mackie, G.L., Pip, E., Tarpley, T.A., Tiemann, J.S., Whelan, N.V. and Strong, E.E. 2013. Conservation Status of Freshwater Gastropods of Canada and the United States. Fisheries 38(6): 247-282.|
Athearnia crassa was formerly placed as a subspecies of Leptoxis (= Athearnia) crassa (see Dillon and Ahlstedt 1997). Athearnia crassa crassa and Athearnia crassa anthonyi are distinct from one another and Athearnia anthonyi and Athearnia crassa are now recognized as distinct species (see Dillon and Ahlstedt 1997; Minton and Savarese 2005).
Appeared in IUCN Red Lists from 1996 to 2006 under the incorrectly spelt name Leptoxis crassa. Was also incorrectly listed as Vulnerable.
|Red List Category & Criteria:||Extinct ver 2.3|
|Assessor(s):||Mollusc Specialist Group|
|Previously published Red List assessments:||
Regionally extinct:United States (Alabama, Georgia, Tennessee, Virginia)
|Range Map:||Click here to open the map viewer and explore range.|
|Citation:||Mollusc Specialist Group. 1996. Athearnia crassa. The IUCN Red List of Threatened Species 1996: e.T11768A3304335. . Downloaded on 13 February 2016.|
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