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The '''flat pigtoe''' or '''Marshall's mussel''' ('''''Pleurobema marshalli''''') is a [[species]] of [[freshwater mussel]] in the family [[Unionidae]], the river mussels. It is native to [[Alabama]] and [[Mississippi]], but it has not been seen since 1980. Though it is still listed as critically endangered on the [[IUCN Red List]]<ref name=iucn>Bogan, A.E. 1996. [http://www.iucnredlist.org/search/details.php/17667/all ''Pleurobema marshalli'']. [http://www.iucnredlist.org 2011 IUCN Red List of Threatened Species. ] Downloaded on 26 September 2011.</ref> and as an [[endangered species]] on the US Endangered Species List,<ref name=fws>USFWS. [http://ecos.fws.gov/docs/federal_register/fr1241.pdf Endangered status for Marshall's Mussel (''Pleurobema marshalii'')... and Penitent Mussel (''Epioblasma'' (=''Dysnomia'') ''penita'').] ''Federal Register'' April 7, 1987.</ref> it is likely [[extinction|extinct]].<ref name=tnc>[http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Pleurobema+marshalli ''Pleurobema marshalli''.] The Nature Conservancy.</ref>
The '''flat pigtoe''' or '''Marshall's mussel''' ('''''Pleurobema marshalli''''') is a [[species]] of [[freshwater mussel]] in the family [[Unionidae]], the river mussels. It is native to [[Alabama]] and [[Mississippi]], but it has not been seen since 1980. Though it is still listed as critically endangered on the [[IUCN Red List]]<ref name=iucn>Bogan, A.E. 1996. [http://www.iucnredlist.org/search/details.php/17667/all ''Pleurobema marshalli'']. [http://www.iucnredlist.org 2011 IUCN Red List of Threatened Species. ] {{wayback|url=http://www.iucnredlist.org |date=20140627000000 }} Downloaded on 26 September 2011.</ref> and as an [[endangered species]] on the US Endangered Species List,<ref name=fws>USFWS. [http://ecos.fws.gov/docs/federal_register/fr1241.pdf Endangered status for Marshall's Mussel (''Pleurobema marshalii'')... and Penitent Mussel (''Epioblasma'' (=''Dysnomia'') ''penita'').] ''Federal Register'' April 7, 1987.</ref> it is likely [[extinction|extinct]].<ref name=tnc>[http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Pleurobema+marshalli ''Pleurobema marshalli''.] The Nature Conservancy.</ref>


This mussel was last seen in a stretch of the [[Tombigbee River]] before the habitat was destroyed by the installation of the [[Tennessee-Tombigbee Waterway]].<ref name=tnc/> No living or freshly dead specimens have been seen since.<ref name=five>USFWS. [http://ecos.fws.gov/docs/five_year_review/doc2409.pdf Tombigbee RIver Mussels 5-Year Review.] April 2009.</ref>
This mussel was last seen in a stretch of the [[Tombigbee River]] before the habitat was destroyed by the installation of the [[Tennessee-Tombigbee Waterway]].<ref name=tnc/> No living or freshly dead specimens have been seen since.<ref name=five>USFWS. [http://ecos.fws.gov/docs/five_year_review/doc2409.pdf Tombigbee RIver Mussels 5-Year Review.] April 2009.</ref>

Revision as of 18:06, 21 July 2016

Flat pigtoe
Scientific classification
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P. marshalli
Binomial name
Pleurobema marshalli
Frierson, 1927

The flat pigtoe or Marshall's mussel (Pleurobema marshalli) is a species of freshwater mussel in the family Unionidae, the river mussels. It is native to Alabama and Mississippi, but it has not been seen since 1980. Though it is still listed as critically endangered on the IUCN Red List[1] and as an endangered species on the US Endangered Species List,[2] it is likely extinct.[3]

This mussel was last seen in a stretch of the Tombigbee River before the habitat was destroyed by the installation of the Tennessee-Tombigbee Waterway.[3] No living or freshly dead specimens have been seen since.[4]

References