1. Subgenus Panopaea (Pleuromya) Agassiz, 1842 accepted as Pleuromya Agassiz, 1842 †
   1. Species Panopaea (Pleuromya) clausa Wilckens, 1910 † accepted as Panopea clausa Wilckens, 1910 †
2. Species Panopaea abbreviata Valenciennes, 1839 accepted as Panopea abbreviata Valenciennes, 1839
3. Species Panopaea aldrovandi Ménard de la Groye, 1807 accepted as Panopea glycimeris (Born, 1778)
4. Species Panopaea americana W. Stimpson, 1860 accepted as Panopea bitruncata (Conrad, 1872)
5. Species Panopaea ampla (Dall, 1898) accepted as Panomya ampla Dall, 1898
6. Species Panopaea angusta Hedley, 1915 accepted as Panopea australis G. B. Sowerby I, 1833 (invalid, not Nyst, 1836)
7. Species Panopaea antarctica A. Gould, 1850 accepted as Panopea abbreviata Valenciennes, 1839
8. Species Panopaea arctica (Lamarck, 1818) accepted as Panomya arctica (Lamarck, 1818) accepted as Panomya norvegica (L. Spengler, 1793) (unaccepted > superseded combination)
9. Species Panopaea attenuata G. B. Sowerby II, 1873 accepted as Panopea glycimeris (Born, 1778)
10. Species Panopaea australis G. B. Sowerby I, 1833 accepted as Panopea australis G. B. Sowerby I, 1833
11. Species Panopaea australis G. B. Sowerby I, 1833, sensu Valenciennes, 1839 accepted as Panopaea natalensis S. P. Woodward, 1856 accepted as Panopea glycimeris (Born, 1778) (unaccepted > misapplication)
12. Species Panopaea bivonae R. A. Philippi, 1836 accepted as Panomya norvegica (L. Spengler, 1793) (unaccepted > junior subjective synonym)
13. Species Panopaea buchanani R. A. Philippi, 1887 † accepted as Panopaea oblonga R. A. Philippi, 1887 † (unaccepted > junior subjective synonym)
14. Species Panopaea cancellata G. B. Sowerby II, 1873 accepted as Rostrimacoma cancellata (G. B. Sowerby II, 1873)
15. Species Panopaea chiloensis R. A. Philippi, 1897 † accepted as Panopea chiloensis R. A. Philippi, 1897 † (unaccepted > misspelling - incorrect original spelling)
16. Species Panopaea coquimbensis A. d'Orbigny, 1843 † accepted as Panopea coquimbensis A. d'Orbigny, 1843 † (unaccepted > misspelling - incorrect subsequent spelling)
17. Species Panopaea cyclopana Monterosato, 1899 accepted as Panopea glycimeris (Born, 1778)
18. Species Panopaea cyclopum [sic] accepted as Panopea glycimeris (Born, 1778) (misspelling)
19. Species Panopaea dunkeri A. d'Orbigny, 1850 † accepted as Machomya dunkeri (A. d'Orbigny, 1850) † (unaccepted > superseded combination)
20. Species Panopaea faujasi Ménard de la Groye, 1807 † accepted as Panopea faujasi Ménard de la Groye, 1807 †
21. Species Panopaea filifera O. Boettger, 1875 † accepted as Panopea filifera O. Boettger, 1875 †
22. Species Panopaea floridana Heilprin, 1887 † accepted as Panopea floridana Heilprin, 1887 † (unaccepted > misspelling - incorrect subsequent spelling)
23. Species Panopaea fragilis A. Gould, 1861 accepted as Panopea abrupta (Conrad, 1849) † (unaccepted > junior subjective synonym)
24. Species Panopaea guayacanensis R. A. Philippi, 1887 † accepted as Panopea coquimbensis A. d'Orbigny, 1843 † (unaccepted > junior subjective synonym)
25. Species Panopaea intermedia Kharatishvili, 1952 † accepted as Panopea menardii Deshayes, 1828 † (unaccepted > junior subjective synonym)
26. Species Panopaea japonica A. Adams, 1850 accepted as Panopea japonica A. Adams, 1850 (incorrect original spelling)
27. Species Panopaea lutrariaeformis O. Boettger, 1880 † accepted as Unionites lutrariaeformis (O. Boettger, 1880) † (unaccepted > superseded combination)
28. Species Panopaea middendorfii A. Adams, 1855 accepted as Panomya norvegica (L. Spengler, 1793)
29. Species Panopaea natalensis S. P. Woodward, 1856 accepted as Panopea glycimeris (Born, 1778)
30. Species Panopaea norvegica (L. Spengler, 1793) accepted as Panomya norvegica (L. Spengler, 1793) (unaccepted > superseded combination, misspelled genus name)
31. Species Panopaea norvegica (L. Spengler, 1793) sensu Middendorf, 1849 accepted as Panomya ampla Dall, 1898 (unaccepted > misapplication)
32. Species Panopaea nucleoides Wilckens, 1910 † accepted as Panopea nucleoides Wilckens, 1910 † (unaccepted > misspelling - incorrect original spelling)
33. Species Panopaea plicata F. W. Hutton, 1873 † accepted as Panopea worthingtoni F. W. Hutton, 1873 † (junior subjective synonym)
34. Species Panopaea reflexa Say, 1824 † accepted as Panopea reflexa Say, 1824 † (unaccepted > misspelling - incorrect subsequent spelling)
35. Species Panopaea remensis Melleville, 1843 † accepted as Panopea remensis Melleville, 1843 † (unaccepted > superseded combination)
36. Species Panopaea sagrinata A. Gould, 1861 accepted as Panopea abrupta (Conrad, 1849) †
37. Species Panopaea spengleri Valenciennes, 1839 accepted as Panomya norvegica (L. Spengler, 1793)
38. Species Panopaea tenuis Wiedey, 1928 accepted as Panopea abrupta (Conrad, 1849) †
39. Species Panopaea vaskuchevskensis Il'ina, 1963 accepted as Panopea abrupta (Conrad, 1849) †
40. Species Panopaea vaudini Deshayes, 1857 † accepted as Panopea vaudini Deshayes, 1857 † (unaccepted > superseded combination)
41. Species Panopaea wanganuica (A. W. B. Powell, 1950) † accepted as Panopea smithae A. W. B. Powell, 1950 (superseded combination)
42. Species Panopaea wateleti Deshayes, 1856 † accepted as Panopea wateleti Deshayes, 1856 † (unaccepted > superseded combination)
43. Species Panopaea worthingtoni F. W. Hutton, 1873 † accepted as Panopea worthingtoni F. W. Hutton, 1873 † (superseded combination)
44. Species Panopaea zelandica Quoy & Gaimard, 1835 accepted as Panopea zelandica Quoy & Gaimard, 1835 (superseded combination)
45. Species Panopaea americana Conrad, 1838 † (uncertain > unassessed)
46. Species Panopaea aptiensis Coquand, 1865 † (uncertain > unassessed)
47. Species Panopaea arduennensis A. d'Orbigny, 1845 † (uncertain > unassessed)
48. Species Panopaea asteriana A. d'Orbigny, 1845 † (uncertain > unassessed)
49. Species Panopaea baumontii Münster, 1841 † (uncertain > unassessed)
50. Species Panopaea carteroni A. d'Orbigny, 1845 † (uncertain > unassessed)
51. Species Panopaea constantii A. d'Orbigny, 1845 † (uncertain > unassessed)
52. Species Panopaea cottaldina A. d'Orbigny, 1845 † (uncertain > unassessed)
53. Species Panopaea dubia H. C. Lea, 1843 † (uncertain > unassessed)
54. Species Panopaea dupiniana A. d'Orbigny, 1845 † (uncertain > unassessed)
55. Species Panopaea elatior A. d'Orbigny, 1845 † (uncertain > unassessed)
56. Species Panopaea fallax Coquand, 1865 † (uncertain > unassessed)
57. Species Panopaea fischeriana Mayer, 1861 † (uncertain > unassessed)
58. Species Panopaea gentilis J. De C. Sowerby, 1840 † (uncertain > unassessed)
59. Species Panopaea ibari R. A. Philippi, 1887 † (uncertain > unassessed)
60. Species Panopaea inaequivalvis A. d'Orbigny, 1845 † (uncertain > unassessed)
61. Species Panopaea inflata Goldfuss, 1841 † (uncertain > unassessed)
62. Species Panopaea irregularis A. d'Orbigny, 1845 † (uncertain > unassessed)
63. Species Panopaea liasina (Zieten, 1833) † (uncertain > taxon inquirendum)
64. Species Panopaea nana Coquand, 1865 † (uncertain > unassessed)
65. Species Panopaea obliqua A. d'Orbigny, 1845 † (uncertain > unassessed)
66. Species Panopaea oblonga R. A. Philippi, 1887 † (uncertain > unassessed)
67. Species Panopaea popilaniensis Boden, 1911 † (uncertain > unassessed)
68. Species Panopaea porrecta Conrad, 1845 † (uncertain > unassessed)
69. Species Panopaea recta A. d'Orbigny, 1845 † (uncertain > unassessed)
70. Species Panopaea regularis A. d'Orbigny, 1845 † (uncertain > unassessed)
71. Species Panopaea robinaldina A. d'Orbigny, 1845 † (uncertain > unassessed)
72. Species Panopaea simplex Hupé, 1854 † (uncertain > unassessed)
73. Species Panopaea striata (Münster, 1837) † (uncertain > unassessed)
74. Species Panopaea striata A. d'Orbigny, 1845 † (uncertain > unassessed)
75. Species Panopaea subelongata d'Archiac & Haime, 1854 † (uncertain > unassessed)
76. Species Panopaea torresi R. A. Philippi, 1887 † (uncertain > unassessed)
77. Species Panopaea undulata Gabb, 1877 † (uncertain > unassessed)
78. Species Panopaea vetula R. A. Philippi, 1887 † (uncertain > unassessed)

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