1. Species Modiolopsis altayensis Z.-R. Yang, 1981 †
2. Species Modiolopsis assimilis Betekhtina, 1968 †
3. Species Modiolopsis congenita F.-X. Guo, 1985 †
4. Species Modiolopsis cuspidata F.-X. Guo, 1985 †
5. Species Modiolopsis dianensis F.-X. Guo, 1985 †
6. Species Modiolopsis draboviensis Barrande, 1881 †
7. Species Modiolopsis dubius J. Hall, 1859 †
8. Species Modiolopsis elegantulus Sharpe, 1853 †
9. Species Modiolopsis faba Barrande, 1881 †
10. Species Modiolopsis fuyunensis Z.-R. Yang, 1981 †
11. Species Modiolopsis gordonensis R. M. Johnston, 1888 †
12. Species Modiolopsis hinomotoensis Kobayashi, 1934 †
13. Species Modiolopsis kalpinensis Z.-R. Yang, 1981 †
14. Species Modiolopsis kalpintakensis Z.-R. Yang, 1981 †
15. Species Modiolopsis lenticularis Barrande, 1881 †
16. Species Modiolopsis liaojiaoensis F.-X. Guo, 1985 †
17. Species Modiolopsis minuta Barrande, 1881 †
18. Species Modiolopsis modiolaris (Conrad, 1838) †
19. Species Modiolopsis mutabilis F.-X. Guo, 1985 †
20. Species Modiolopsis pragensis Kříž & Steinová, 2009 †
21. Species Modiolopsis qujingensis F.-X. Guo, 1985 †
22. Species Modiolopsis subcrypta F.-X. Guo, 1985 †
23. Species Modiolopsis suchovi Betekhtina, 1968 †
24. Species Modiolopsis triquetra Betekhtina, 1968 †
25. Species Modiolopsis tumescens Barrande, 1881 †
26. Species Modiolopsis vulgaris F.-X. Guo, 1985 †
27. Species Modiolopsis weixinensis (F.-X. Guo, 1985) †
28. Species Modiolopsis xitunensis F.-X. Guo, 1985 †
29. Subgenus Modiolopsis (Modiolodon) Nechayev, 1894 † accepted as Netschajewia Likharev, 1925 † (unaccepted > junior homonym, junior homonym of Modiolodon Ulrich, 1894; Netschajewia is a replacement name)
30. Species Modiolopsis antiqua Barrande, 1881 † accepted as Cymatonota antiqua (Barrande, 1881) † (unaccepted > superseded combination)
31. Species Modiolopsis antiquior Barrande, 1881 † accepted as Whiteavesia antiquior (Barrande, 1881) † (unaccepted > superseded combination)
32. Species Modiolopsis cambriensis Hicks, 1873 † accepted as Actinodonta ramseyensis (Hicks, 1873) † (subjective synonym)
33. Species Modiolopsis cincinnatiensis J. Hall & Whitfield, 1875 † accepted as Whiteavesia cincinnatiensis (J. Hall & Whitfield, 1875) † (unaccepted > superseded combination)
34. Species Modiolopsis elongatum Nechayev, 1894 † accepted as Netschajewia elongata (Nechayev, 1894) † (unaccepted > superseded combination)
35. Species Modiolopsis globosus Nechayev, 1894 † accepted as Stutchburia globosa (Nechayev, 1894) † (unaccepted > superseded combination)
36. Species Modiolopsis homfrayi Hicks, 1873 † accepted as Actinodonta ramseyensis (Hicks, 1873) † (subjective synonym)
37. Species Modiolopsis oviformis Ulrich, 1890 † accepted as Modiolodon oviformis (Ulrich, 1890) † (unaccepted > superseded combination)
38. Species Modiolopsis parallela Hsü, 1948 † accepted as Pharcidoconcha parallela (Hsü, 1948) † (unaccepted > superseded combination)
39. Species Modiolopsis pholadiformis J. Hall, 1851 † accepted as Pholadomorpha pholadiformis (J. Hall, 1851) † (unaccepted > superseded combination)
40. Species Modiolopsis planus J. Hall, 1861 † accepted as Eurymya plana (J. Hall, 1861) † (unaccepted > superseded combination)
41. Species Modiolopsis primula Barrande, 1881 † accepted as Myodakryotus patricia (Barrande, 1881) † (subjective synonym)
42. Species Modiolopsis ramseyensis Hicks, 1873 † accepted as Actinodonta ramseyensis (Hicks, 1873) † (unaccepted > superseded combination)
43. Species Modiolopsis regularis Barrande, 1881 † accepted as Phthonia regularis (Barrande, 1881) † (unaccepted > superseded combination)
44. Species Modiolopsis solida Barrande, 1881 † accepted as Sanguinolites solida (Barrande, 1881) † (unaccepted > superseded combination)
45. Species Modiolopsis solvensis Hicks, 1873 † accepted as Praearca cambriensis (Hicks, 1873) † (subjective synonym)
46. Species Modiolopsis subelliptica Ulrich, 1892 † accepted as Allodesma subellipticum (Ulrich, 1892) † (unaccepted > superseded combination)
47. Species Modiolopsis veterana Barrande, 1881 † accepted as Ectenocardiomorpha veterana (Barrande, 1881) † (unaccepted > superseded combination)
48. Species Modiolopsis concava Ulrich, 1892 † (uncertain > unassessed)
49. Species Modiolopsis concentrica J. Hall & Whitfield, 1875 † (uncertain > unassessed)
50. Species Modiolopsis concors Barrande, 1881 † (uncertain > unassessed)
51. Species Modiolopsis delagei Munier-Chalmas, 1876 † (uncertain > unassessed)
52. Species Modiolopsis edgelli Munier-Chalmas, 1876 † (uncertain > unassessed)
53. Species Modiolopsis elongata Kobayashi, 1934 † (uncertain > unassessed, junior homonym of Modiolopsis elongatum [sic] Nechayev, 1894)
54. Species Modiolopsis flexa Barrande, 1881 † (uncertain > unassessed)
55. Species Modiolopsis heberti Munier-Chalmas, 1876 † (uncertain > unassessed)
56. Species Modiolopsis hoboksarensis Z.-R. Yang, 1983 † (uncertain > unassessed)
57. Species Modiolopsis inflata McCoy, 1851 † (uncertain > unassessed)
58. Species Modiolopsis involuta Barrande, 1881 † (uncertain > unassessed)
59. Species Modiolopsis kogenensis Kobayashi, 1934 † (uncertain > unassessed)
60. Species Modiolopsis latens Barrande, 1881 † (uncertain > unassessed)
61. Species Modiolopsis postlineata McCoy, 1851 † (uncertain > unassessed)
62. Species Modiolopsis propinqua Barrande, 1881 † (uncertain > unassessed)
63. Species Modiolopsis pupa Barrande, 1881 † (uncertain > unassessed)
64. Species Modiolopsis rebellis Barrande, 1881 † (uncertain > unassessed)
65. Species Modiolopsis reedi Kobayashi, 1934 † (uncertain > unassessed)
66. Species Modiolopsis rugosa Kobayashi, 1934 † (uncertain > unassessed)
67. Species Modiolopsis sanbernardica Harrington, 1938 † (uncertain > unassessed)
68. Species Modiolopsis similis Ulrich, 1892 † (uncertain > unassessed)
69. Species Modiolopsis subnasuta Meek & Worthen, 1870 † (uncertain > unassessed)
70. Species Modiolopsis superbus J. Hall, 1861 † (uncertain > unassessed)
71. Species Modiolopsis tenera Barrande, 1881 † (uncertain > unassessed)
72. Species Modiolopsis tianzhuensis B.-D. Shi, 1982 † (uncertain > unassessed)
73. Species Modiolopsis ventricosa Barrande, 1881 † (uncertain > unassessed)
74. Species Modiolopsis zejzneri Munier-Chalmas, 1876 † (uncertain > unassessed)

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