|Scientific Name:||Lampsilis ornata|
|Species Authority:||(Conrad, 1835)|
Lampsilis excavata (I. Lea, 1857)
|Taxonomic Notes:||This species was also recognized as Lampsilis excavatus (Lea 1857) by Clench and Turner (1956) and Heard (1979), and Unio excavatus (Lea, 1857). Clench and Turner (1956) also erroneously synonomized Lampsilis binominata (Simpson 1900) under it (see Parmalee and Bogan 1998).
A list of synonyms for this species can be found on The MUSSEL project web site (Graf and Cummings 2011).
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Cummings, K. & Cordeiro, J.|
|Reviewer(s):||Bohm, M., Seddon, M. & Collen, B.|
|Contributor(s):||Dyer, E., Soulsby, A.-M., Whitton, F., Kasthala, G., McGuinness, S., Milligan, HT, De Silva, R., Herdson, R., Thorley, J., McMillan, K., Collins, A., Offord, S., Duncan, C. & Richman, N.|
Lampsillis ornata has been assessed as Least Concern as current available information suggests that this species has a stable global population. Despite localised population declines occuring, there are limited or no known threats to the global population. Future surveys are necessary to ascertain population reductions, as the species is imperiled in some states. This could lead to an elevation of its extinction risk to Near Threatened or Vulnerable under A2(ac) in the future.
|Previously published Red List assessments:||
|Range Description:||This species is found in the Escambia River system of Alabama and western Florida, west to the Pearl River in Mississippi (Clench and Turner 1956); also the upper Coosa River in Alabama and Georgia and the lower Tallapoosa River and Cahaba River in Alabama (Pierson pers. comm. 1998). Occurrences are also known in the Saline and Caddo Rivers in Arkansas (Harris and Gordon 1987, Johnson 1980, Harris et al. 1997) and most drainages in the northern part of eastern Louisiana (Vidrine 1993). More recent occurrence records stem from the Conasauga River inside and adjacent to the Cherokee and Chattahoochee National Forests, Marray/Whitfield Cos., extreme northwestern Georgia, and Polk and Bradley Cos., Tennessee (Johnson et al. 2005, Parmalee and Bogan 1998); Lake Pontchartrain, the Pearl, Pascagoula, and Tombigbee drainages (Jones et al. 2005) and Strong River in Mississippi; and the Amite, Tangipahoa, and Pearl Rivers in Louisiana (Brown and Banks 2001).|
Native:United States (Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, Tennessee)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||There are insufficient population data available, however populations are apparently stable throughout the range across the Gulf region of the U.S. Populations are imperiled in Arkansas, Florida and Tennessee (K. Cummings pers comm. 2011).|
|Current Population Trend:||Stable|
|Habitat and Ecology:||This species is found in freshwater river systems (NatureServe 2009).|
|Use and Trade:||This species is not utilized.|
|Major Threat(s):||It is unlikely that there are any threats acting on the species at a global scale.|
|Conservation Actions:||There are no species-specific conservation measures in place. This species has been given a Global Heritage Status of G5 - apparently secure, although in the new AFS (2011) mussel status assessment it will be listed as Vulnerable (Williams et al. 2010). Future surveys are necessary to ascertain population reductions and ensure appropriate conservation measures are in place.|
|Citation:||Cummings, K. & Cordeiro, J. 2012. Lampsilis ornata. The IUCN Red List of Threatened Species 2012: e.T11257A502451. http://dx.doi.org/10.2305/IUCN.UK.2012.RLTS.T11257A502451.en . Downloaded on 09 October 2015.|
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