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Find out what mammals, insects, fish, plants, etc. are endangered here. Use the selection box below to view full lists by group.

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The following is a list of Clams of concern. This list combines species from several endangered species lists. Using the total at the bottom of this page as an official count of endangered clams of the world is not recommended. For more information on what species are listed on this site, please visit our About Us page.

 Species NameScientific Name
1. Alabama Lampmussel Lampsilis virescens
2. Alabama Moccasinshell Medionidus acutissimus
3. Alabama Pearl Shell Margaritifera marrianae
4. Altamaha Arcmussel Alasmidonta arcula
5. Altamaha Pocketbook Lampsilis dolabraeformis
6. Altamaha Spinymussel Elliptio spinosa
7. Appalachian Elktoe Alasmidonta raveneliana
8. Appalachian Monkeyface Pearlymussel Quadrula sparsa
9. Arkansas Fatmucket Lampsilis powellii
10. Aspatharia divaricata Aspatharia divaricata
11. Aspatharia subreniformis Aspatharia subreniformis
12. Atlantic Pigtoe Fusconaia masoni
13. Birdwing Pearlymussel Conradilla caelata
14. Black Clubshell Pleurobema curtum
15. Carolina Heelsplitter Lasmigona decorata
16. Castalia martensi Castalia martensi
17. Catspaw Pearlymussel Epioblasma obliquata
18. Chipola Slabshell Elliptio chipolaensis
19. Clubshell Pleurobema clava
20. Coosa Moccasinshell Medionidus parvulus
21. Cracking Pearlymussel Hemistena lata
22. Cumberland Bean Pearlymussel Villosa trabalis
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23. Cumberland Combshell Epioblasma brevidens
24. Cumberland Elktoe Alasmidonta atropurpurea
25. Cumberland Monkeyface Pearlymussel Quadrula intermedia
26. Cumberland Pigtoe Pleurobema gibberum
27. Dark Pigtoe Pleurobema furvum
28. Diplodon dunkerianus Diplodon dunkerianus
29. Diplodon fontaineanus Diplodon fontaineanus
30. Diplodon expansus Diplodon expansus
31. Diplodon pfeifferi Diplodon pfeifferi
32. Dromedary Pearlymussel Dromus dromas
33. Dwarf Wedgemussel Alasmidonta heterodon
34. False Spike Quincuncina mitchelli
35. Fanshell Cyprogenia stegaria
36. Fat Pocketbook Potamilus capax
37. Fat Three-ridge Mussel Amblema neislerii
38. Fine-lined Pocketbook Lampsilis altilis
39. Fine-rayed Pigtoe Pearlymussel Fusconaia cuneolus
40. Flat Pigtoe Pleurobema marshalli
41. Freshwater Pearl Mussel Margaritifera margaritifera
42. Fuzzy Pigtoe Pleurobema strodeanum
43. Giant Clam Tridacna gigas
44. Gulf Moccasinshell Medionidus penicillatus
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45. Heavy Pigtoe Pleurobema taitianum
46. Higgins Eye Pearlymussel Lampsilis higginsii
47. Inflated Heelsplitter Potamilus inflatus
48. James Spinymussel Pleurobema collina
49. Littlewing Pearlymussel Pegias fabula
50. Louisiana Pearl Shell Margaritifera hembeli
51. Mutela alata Mutela alata
52. Narrow Pigtoe Fusconaia escambia
53. Neosho Mucket Lampsilis rafinesqueana
54. Nicklin's Pearlymussel Megalonaias nicklineana
55. Ochlockonee Moccasinshell Medionidus simpsonianus
56. Orangefoot Pimpleback Pearlymussel Plethobasus cooperianus
57. Ouachita Rock Pocketbook Arkansia wheeleri
58. Oval Pigtoe Pleurobema pyriforme
59. Ovate Clubshell Pleurobema perovatum
60. Oyster Mussel Epioblasma capsaeformis
61. Painted Clubshell Pleurobema chattanoogaense
62. Pale Lilliput Pearlymussel Toxolasma cylindrellus
63. Pink Mucket Pearlymussel Lampsilis abrupta
64. Pink Ring Mussel Obovaria retusa
65. Pisidium artifex Pisidium artifex
66. Pseudomulleria dalyi Pseudomulleria dalyi
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67. Purple Bankclimber Elliptoideus sloatianus
68. Purple Bean Villosa perpurpurea
69. Rio Grande Monkeyface Quadrula couchiana
70. Rough Pigtoe Pleurobema plenum
71. Rough Rabbitsfoot Quadrula cylindrica strigillata
72. Rough Rockshell Quadrula tuberosa
73. Round Ebonyshell Obovaria rotulata
74. Salina Mucket Potamilus metnecktayi
75. Scaleshell Mussel Leptodea leptodon
76. Shiny Pigtoe Fusconaia cor
77. Shinyrayed Pocketbook Lampsilis subangulata
78. Southern Acornshell Epioblasma othcaloogensis
79. Southern Clubshell Pleurobema decisum
80. Southern Combshell Epioblasma penita
81. Southern Giant Clam Tridacna derasa
82. Southern Kidneyshell Ptychobranchus jonesi
83. Southern Pigtoe Pleurobema georgianum
84. Speckled Pocketbook Lampsilis streckeri
85. Spengler's Freshwater Mussel Margaritifera auricularia
86. Stirrupshell Quadrula stapes
87. Suwannee Moccasinshell Medionidus walkeri
88. Tampico Pearlymussel Cyrtonaias tampicoensis tecomatensis
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89. Tar River Spinymussel Elliptio steinstansana
90. Tennessee Clubshell Pleurobema oviforme
91. Tevoro Clam Tridacna tevoroa
92. Texas Heelsplitter Potamilus amphichaenus
93. Texas Hornshell Popenaias popeii
94. Triangular Kidneyshell Ptychobranchus greenii
95. Tridacna rosewateri Tridacna rosewateri
96. Tubercled Blossom Pearlymussel Epioblasma torulosa
97. Turgid Blossom Pearlymussel Epioblasma turgidula
98. Upland Combshell Epioblasma metastriata
99. Virginia Pigtoe Lexingtonia subplana
100. Western Fanshell Mussel Cyprogenia aberti
101. Westralunio carteri Westralunio carteri
102. White Wartyback Pearlymussel Plethobasus cicatricosus
103. Winged Mapleleaf Quadrula fragosa
104. Yellow Blossom Pearlymussel Epioblasma florentina
105. Yellow Lampmussel Lampsilis cariosa

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