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Table 7--The rare mussels evaluated included 191 species, of which 71 are Federally listed as threatened or endangered (NatureServe 2001a)

Scientific name	Common name	aFederal status	ABI global rank	bPrimary habitat	bSecondary habitat	cWatersheds
Alasmidonta arcula	Altamaha arcmussel		G2	Rivers	Rivers	SA
Alasmidonta atropurpurea	Cumberland Elktoe	LE	G1G2	Rivers	Rivers	Cu
Alasmidonta heterodon	Dwarf Wedgemussel	LE	G1G2	Rivers	Rivers	NA,SA
Alasmidonta mccordi	Coosa elktoe		GX	Rivers	Rivers	Mo
Alasmidonta raveneliana	Appalachian Elktoe	LE	G1	Rivers	Rivers	Cu
Alasmidonta robusta	Carolina elktoe		GX	Rivers	Rivers	SA
Alasmidonta varicosa	Brook Floater		G3	Rivers	Rivers	NA,SA
Alasmidonta wrightiana	Ochloskonee arcmussel		GH	Rivers	Rivers	Ap
Amblema elliottii	Coosa fiveridge		G3	Rivers	Rivers	Mo
Amblema neislerii	Fat Threeridge	LE	G1	Rivers	Rivers	Ap
Anodonta heardi	Apalachicola Floater		G1	Rivers	Rivers	Ap
Anodontoides denigratus	Cumberland Papershell		G1	Rivers	Rivers	Cu
Anodontoides radiatus	Rayed creekshell		G3	Rivers	Rivers	Ap,Mo
Arkansia wheeleri	Ouachita Rock Pocketbook	LE	G1	Rivers	Rivers	Mi,Oz
Cumberlandia monodonta	Spectaclecase		G2G3	Rivers	Rivers	Cu
Cyprogenia aberti	Western fanshell		G2	Rivers	Rivers	Oz
Cyprogenia stegaria	Fanshell	LE	G1	Rivers	Rivers	Cu,Mi
Disconaias salinasensis	Salina mucket		G1	Rivers	Rivers	RG
Dromus dromas	Dromedary Pearlymussel	LE	G1	Rivers	Rivers	Cu
Elliptio ahenea	Southern lance		G3	Rivers	Rivers	Fl
Elliptio chipolaensis	Chipola Slabshell	LT	G1	Rivers	Rivers	Ap
Elliptio dariensis	Georgia elephantear		G3	Rivers	Rivers	Fl,SA
Elliptio downiei	Satilla elephantear		G3	Rivers	Rivers	SA
Elliptio fraterna	Brother spile		G1	Rivers	Rivers	Ap
Elliptio hepatica	Brown elliptio		G2G3	Rivers	Rivers	SA
Elliptio hopetonensis	Altamaha slabshell		G3	Rivers	Rivers	SA
Elliptio lanceolata	Yellow lance		G2G3	Rivers	Rivers	Ap,NA,SA
Elliptio mcmichaeli	Fluted elephantear		G3	Rivers	Rivers	Ap,Mo
Elliptio monroensis	St. John's elephantear		G2G3	Rivers	Rivers	Fl
Elliptio nigella	Winged spike		GH	Rivers	Rivers	Ap
Elliptio purpurella	Inflated spike		G3	Rivers	Rivers	Ap
Elliptio roanokensis	Roanoke slabshell		G2G3	Rivers	Rivers	SA
Elliptio spinosa	Altamaha spinymussel		G1G2	Rivers	Rivers	SA
Elliptio steinstansana	Tar River Spinymussel	LE	G1	Rivers	Rivers	SA
Elliptoideus sloatianus	Purple Bankclimber	LT	G2	Rivers	Rivers	Ap
Epioblasma arcaeformis	Sugarspoon		GX	Rivers	Rivers	Cu
Epioblasma biemarginata	Angled riffleshell		GX	Rivers	Rivers	Cu
Epioblasma brevidens	Cumberlandian Combshell	LE	G1	Rivers	Rivers	Cu
Epioblasma capsaeformis	Oyster Mussel	LE	G1	Rivers	Rivers	Cu
Epioblasma cincinnatiensis	A freshwater mussel		GX	Rivers	Rivers	Mi
Epioblasma flexuosa	Leafshell		GX	Rivers	Rivers	Mi
Epioblasma florentina	Yellow Blossom	LE	G1	Rivers	Rivers	Cu
Epioblasma florentina curtisi	Curtis Pearlymussel	LE	G1T1	Rivers	Rivers	Cu
Epioblasma florentina florentina	Yellow Blossom	LE	G1TX	Rivers	Rivers	Cu
Epioblasma haysiana	Acornshell		GX	Rivers	Rivers	Cu
Epioblasma lenoir	Narrow catspaw		GX	Rivers	Rivers	Cu
Epioblasma lewisii	Forkshell		GX	Rivers	Rivers	Cu
Epioblasma metastriata	Upland Combshell	LE	GH	Rivers	Rivers	Mo
Epioblasma obliquata	Catspaw	LE	G1	Rivers	Rivers	Mi
Epioblasma obliquata obliquata	Catspaw	LE	G1T1	Rivers	Rivers	Cu,Mi
Epioblasma obliquata perobliqua	White Catspaw	LE	G1T1	Rivers	Rivers	Mi
Epioblasma penita	Southern Combshell	LE	G1	Rivers	Rivers	Mo
Epioblasma personata	Round combshell		GX	Rivers	Rivers	Mi
Epioblasma propingua	Tennessee riffleshell		GX	Rivers	Rivers	Cu
Epioblasma sampsonii	Wabash Riffleshell	LE	G1	Rivers	Rivers	Mi
Epioblasma stewardsoni	Cumberland leafshell		GX	Rivers	Rivers	Cu
Epioblasma torulosa	Tubercled Blossom	LE	G2	Rivers	Rivers	Mi
Epioblasma torulosa gubernaculums	Green Blossom	LE	G2TX	Rivers	Rivers	Mi
Epioblasma torulosa rangiana	Northern Riffleshell	LE	G2T2	Rivers	Rivers	Mi
Epioblasma torulosa torulosa	Tubercled Blossom	LE	G2TX	Rivers	Rivers	Mi
Epioblasma triquetra	Snuffbox		G3	Rivers	Rivers	Cu,Mi
Epioblasma turgidula	Turgid Blossom	LE	GH	Rivers	Rivers	Cu
Fusconaia apalachicola	Apalachicola ebonyshell		GX	Rivers	Rivers	Ap
Fusconaia askewi	Tesas pigtoe		G2	Rivers	Rivers	Mi,Sab
Fusconaia cor	Shiny Pigtoe	LE	G1	Rivers	Rivers	Mo
Fusconaia cuneolus	Finerayed Pigtoe	LE	G1	Rivers	Rivers	Cu
Fusconaia escambia	Narrow pigtoe		G2	Rivers	Rivers	Ap
Fusconaia masoni	Atlantic pigtoe		G2	Rivers	Rivers	SA
Fusconaia ozarkensis	Ozark pigtoe		G3	Rivers	Rivers	Mi
Fusconaia subrotunda	Longsolid		G3	Rivers	Rivers	Cu,Mi
Fusconaia subrotunda subrotunda	Longsolid		G3T3	Rivers	Rivers	Cu,Mi
Fusconaia succissa	Purple pigtoe		G3	Rivers	Rivers	Ap
Hemistena lata	Cracking Pearlymussel	LE	G1	Rivers	Rivers	Cu,Mi
Lampsilis abrupta	Pink Mucket	LE	G2	Rivers	Rivers	Cu,Mi
Lampsilis altilis	Finelined Pocketbook	LT	G2	Rivers	Rivers	Mo
Lampsilis australis	Southern sandshell		G2	Rivers	Rivers	Ap
Lampsilis binominata	Lined pocketbook		GH	Rivers	Rivers	Ap
Lampsilis bracteata	Texas fatmucket		G1	Rivers	Rivers	CT
Lampsilis dolabraeformis	Altamaha pocketbook		G3	Rivers	Rivers	SA
Lampsilis higginsii	Higgins Eye	LE	G1	Rivers	Rivers	Mi
Lampsilis perovalis	Orangenacre Mucket	LT	G2	Rivers	Rivers	Mo
Lampsilis powellii	Arkansas Fatmucket	LT	G1G2	Rivers	Rivers	Mi
Lampsilis rafinesqueana	Neosho mucket		G2	Rivers	Rivers	Oz
Lampsilis reeviana	Arkansas brokenray		G3	Rivers	Rivers	Oz
Lampsilis reeviana brevucula	Ozark brokenray		G3T2	Rivers	Rivers	Oz
Lampsilis reeviana reeviana	Arkansas brokenray		G3T1T2	Rivers	Rivers	Oz
Lampsilis satura	Sandbank pocketbook		G2	Rivers	Rivers	Mi
Lampsilis sp.2	A freshwater mussel		G1	Rivers	Rivers	SA
Lampsilis splendida	Rayed pink fatmucket		G3	Rivers	Rivers	SA
Lampsilis straminea straminea	Rough fatmucket		G5T3	Rivers	Rivers	Mo
Lampsilis subangulata	Shinyrayed pocketbook	LE	G2	Rivers	Rivers	Ap
Lampsilis virescens	Alabama Lampmussel	LE	G1	Rivers	Rivers	Cu
Lasmigona complanata alabamensis	Alabama heelsplitter		G5T2T3	Rivers	Rivers	Mo
Lasmigona decorata	Carolina Heelsplitter	LE	G1	Rivers	Rivers	SA
Lasmigona subviridis	Green floater		G3	Rivers	Rivers	NA,SA
Lemiox rimosus	Birdwing Pearlymussel	LE	G1	Rivers	Rivers	Cu
Leptodea leptodon	Scaleshell	PE	G1	Rivers	Rivers	Cu,Mi
Lexingtonia dolabelloides	Slabside pearlymussel		G2	Rivers	Rivers	Cu
Margaritifera hembeli	Louisiana Pearlshell	LT	G1	Rivers	Rivers	Mi,Mo
Margaritifera marrianae	Alabama pearlshell	C	G1	Rivers	Rivers	Mo
Medionidus acutissimus	Alabama Moccasinshell	LT	G1	Rivers	Rivers	Mo
Medionidus parvulus	Coosa moccasinshell	LE	G1	Rivers	Rivers	Mo
Medionidus penicillatus	Gulf moccasinshell	LE	G1	Rivers	Rivers	Ap,Fl
Medionidus simpsonianus	Ochlockonee moccasinshell	LE	G1	Rivers	Rivers	Ap
Medionidus walkeri	Suwannee moccasinshell		G1	Rivers	Rivers	Fl
Obovaria jachsoniana	Southern hickorynut		G1G2	Rivers	Rivers	Mi
Obovaria retusa	Ring pink	LE	G1	Rivers	Rivers	Cu,Mi
Obovaria rotulata	Round ebonyshell		G1	Rivers	Rivers	Ap
Obovaria unicolor	Alabama hickorynut		G3	Rivers	Rivers	Ap,Mi
Pegias fabula	Littlewing pearlymussel	LE	G1	Rivers	Rivers	Cu
Plethobasus cicatricosus	White wartyback	LE	G1	Rivers	Rivers	Cu,Mi
Plethobasus cooperianus	Orangefoot pimpleback	LE	G1	Rivers	Rivers	Cu,Mi
Plethobasus cyphyus	Sheepnose		G3	Rivers	Rivers	Cu,Mi
Pleurobema altum	Highnut		GH	Rivers	Rivers	Mo
Pleurobema avellanum	Hazel pigtoe		GH	Rivers	Rivers	Mo
Pleurobema beadleianum	Mississippi pigtoe		G2G3	Rivers	Rivers	Mi
Pleurobema chattanoogaense	Painted clubshell		G1	Rivers	Rivers	Mo
Pleurobema clava	Clubshell	LE	G2	Rivers	Rivers	Cu,Mi
Pleurobema collina	James spinymussel	LE	G1	Rivers	Rivers	SA
Pleurobema cordatum	Ohio pigtoe		G3	Rivers	Rivers	Mi
Pleurobema curtum	Black clubshell	LE	G1	Rivers	Rivers	Mo
Pleurobema decisum	Southern clubshell	LE	G1G2	Rivers	Rivers	Mo
Pleurobema furvum	Dark pigtoe	LE	G1	Rivers	Rivers	Mo
Pleurobema georgianum	Southern pigtoe	LE	G1	Rivers	Rivers	Mo
Pleurobema gibberum	Cumberland pigtoe	LE	G1	Rivers	Rivers	Cu
Pleurobema hagleri	Brown pigtoe		G1	Rivers	Rivers	Mo
Pleurobema hanleyianum	Georgia pigtoe		G1	Rivers	Rivers	Mo
Pleurobema johannis	Alabama pigtoe		GH	Rivers	Rivers	Mo
Pleurobema marshalli	Flat Pigtoe	LE	GH	Rivers	Rivers	Mo
Pleurobema murrayense	Coosa pigtoe		GH	Rivers	Rivers	Mo
Pleurobema nucleopsis	Longnut		GH	Rivers	Rivers	Mo
Pleurobema perovatum	Ovate clubshell	LE	G1	Rivers	Rivers	Mo
Pleurobema plenum	Rough pigtoe	LE	G1	Rivers	Rivers	Cu,Mi
Pleurobema pyriforme	Oval pigtoe	LE	G2	Rivers	Rivers	Ap,Fl
Pleurobema riddellii	Louisiana pigtoe		G1G2	Rivers	Rivers	Mi,Sab
Pleurobema rubellum	Warrior pigtoe		GH	Rivers	Rivers	Mo
Pleurobema rubrum	Pyramid pigtoe		G2	Rivers	Rivers	Cu,Mi
Pleurobema strodeanum	Fuzzy pigtoe		G2G3	Rivers	Rivers	Ap,Mo
Pleurobema taitianum	Heavy Pigtoe	LE	G1	Rivers	Rivers	Mo
Pleurobema troschelianum	Alabama clubshell	C	G1	Rivers	Rivers	Mo
Pleurobema verum	True pigtoe		GH	Rivers	Rivers	Mo
Popenaias popeii	Texas Hornshell		G1	Rivers	Rivers	RG
Potamilus amphichaenus	Texas heelsplitter		G1	Rivers	Rivers	Sab
Potamilus capax	Fat Pocketbook	LE	G1	Rivers	Rivers	Mi
Potamilus inflatus	Alabama Heelsplitter	LT	G1	Rivers	Rivers	Mi,Mo
Ptychobranchus greenii	Triangular Kidneyshell	LE	G1	Rivers	Rivers	Mo
Ptychobranchus jonesi	Southern kidneyshell		G1	Rivers	Rivers	Ap,Mo
Quadrula aurea	Golden orb		G1	Rivers	Rivers	CT
Quadrula couchiana	Rio Grande Monkeyface		GH	Rivers	Rivers	RG
Quadrula cylindrica	Rabbitsfoot		G3	Rivers	Rivers	Cu,Mi
Quadrula cylindrica cylindrica	Rabbitsfoot		G3T3	Rivers	Rivers	Cu,Mi
Quadrula cylindrica strigillata	Rough Rabbitsfoot	LE	G3T2T3	Rivers	Rivers	Cu,Mi
Quadrula fragosa	Winged Mapleleaf	LE	G1	Rivers	Rivers	Cu,Mi
Quadrula houstonensis	Smooth pimpleback		G2	Rivers	Rivers	CT
Quadrula intermedia	Cumberland Monkeyface	LE	G1	Rivers	Rivers	Cu
Quadrula petrina	Texas pimpleback		G2	Rivers	Rivers	CT
Quadrula rumphiana	Ridged mapleleaf		G3	Rivers	Rivers	Mo
Quadrula sparsa	Appalachian Monkeyface	LE	G1	Rivers	Rivers	Cu
Quadrula stapes	Stirrupshell	LE	GH	Rivers	Rivers	Mo
Quadrula tuberosa	Rough rockshell		GX	Rivers	Rivers	Cu
Quincuncina burkei	Tapered pigtoe		G2G3	Rivers	Rivers	Ap
Quincuncina mitchelli	False spike		GH	Rivers	Rivers	CT,RG
Simpsonaias ambigua	Salamander mussel		G3	Rivers	Rivers	Mi
Strophitus connasaugaensis	Alabama creekshell		G3	Rivers	Rivers	Mo
Strophitus subvexus	Southern creekmussel		G3	Rivers	Rivers	Ap,Mi,Mo
Toxolasma corvunculus	Southern purple lilliput		GH	Rivers	Rivers	Mo
Toxolasma cylindrellus	Pale lilliput	LE	G1	Rivers	Rivers	Cu
Toxolasma lividus	Purple lilliput		G2	Rivers	Rivers	Cu,Mi
Toxolasma lividus lividus			G2T1	Rivers	Rivers	Cu
Toxolasma pullus	Savannah lilliput		G2	Rivers	Rivers	SA
Truncilla cognata	Mexican fawnsfoot		GH	Rivers	Rivers	RG
Truncilla macrodon	Texas fawnsfoot		G2	Rivers	Rivers	Mi
Utterbackia peggyae	Florida floater		G3	Rivers	Rivers	Ap
Utterbackia peninsularis	Pennisular floater		G3	Rivers	Rivers	Fl
Villosa amygdala	Florida rainbow		G3	Rivers	Rivers	Fl
Villosa arkansasensis	Ouachita creekshell		G2	Rivers	Rivers	Oz
Villosa choctawensis	Chocta bean		G2	Rivers	Rivers	Ap
Villosa constricta	Notched rainbow		G3	Rivers	Rivers	SA
Villosa fabalis	Rayed bean		G1G2	Rivers	Rivers	Cu,Mi
Villosa nebulosa	Alabama rainbow		G3	Rivers	Rivers	Ap,Cu Mi
Villosa ortmanni	Kentucky creekshell		G2	Rivers	Rivers	Cu
Villosa perpurpurea	Purple bean	LE	G1	Rivers	Rivers	Cu
Villosa trabalis	Cumberland bean	LE	G1	Rivers	Rivers	Cu
Villosa vaughaniana	Carolina creekshell		G2	Rivers	Rivers	SA
Villosa villosa	Downy rainbow		G3	Rivers	Rivers	Ap,Fl
Epioblasma florentina walkeri	Tan Riffleshell	LE	G1T1	Streams	Streams	Cu
Fusconaia barnesiana	Tennessee pigtoe		G2G3	Streams	Streams	Cu
Lasmigona holstonia	Tennessee heelsplitter		G3	Streams	Streams	Cu,Mo
Pleurobema oviforme	Tennessee clubshell		G3	Streams	Streams	Cu
Ptychobranchus subtentum	Fluted kidneyshell		G2G3	Streams	Streams	Cu
Villosa vanuxemensis umbrans	Coosa crekshell		G4T2	Streams	Streams	Cu

^aFederal status: LE = Listed as endangered; LT = Listed as threatened; PE = Proposed for listing as endangered; PT = Proposed for listing as threatened; C = Candidate for listing.

^bPrimary and secondary habitat do not necessarily imply a constistant order or ranking of importance to the taxonomic group.

^cWatersheds: Ap =Apalachicola, CT = Central Texas, Cu = Cumberland, Fl = Florida, Mo = Mobile, Ms = Mississippi, NA = North Atlantic, Oz = Ozark, RG = Rio Grande, SA = South Atlantic, Sab = Sabine.

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