1. Species Acasta alba Barnard, 1924
2. Species Acasta alcyonicola Utinomi, 1953
3. Species Acasta armata Gravier, 1921
4. Species Acasta aspera Yu, Kolbasov, Hosie, Lee & Chan, 2017
5. Species Acasta canaliculata (Ren & Liu, 1978)
6. Species Acasta chejudoensis Kim & Kim, 1988
7. Species Acasta clausa Yu, Chan, Achituv & Kolbasov, 2017
8. Species Acasta conica Hoek, 1913
9. Species Acasta coriolis Rosell, 1991
10. Species Acasta crassa Broch, 1931
11. Species Acasta cyathus Darwin, 1854
12. Species Acasta daedalusa Kolbasov, 1993
13. Species Acasta denticulata Hiro, 1931
14. Species Acasta dentifer (Broch, 1922)
15. Species Acasta echinata Hiro, 1937
16. Species Acasta fenestrata Darwin, 1854
17. Species Acasta flexuosa Nilsson-Cantell, 1931
18. Species Acasta folliculus (Hiro, 1937)
19. Species Acasta foraminifera Broch, 1931
20. Species Acasta fragilis (Broch, 1931)
21. Species Acasta gregaria Utinomi, 1959
22. Species Acasta hirsuta Broch, 1916
23. Species Acasta huangi Yu, Kolbasov, Hosie, Lee & Chan, 2017
24. Species Acasta idiopoma Pilsbry, 1912
25. Species Acasta infirma Kolbasov, 1992
26. Species Acasta japonica Pilsbry, 1911
27. Species Acasta koltuni Kolbasov, 1991
28. Species Acasta longibasis (Hiro, 1937)
29. Species Acasta madagascariensis Ren, 1989
30. Species Acasta navicula (Darwin, 1854)
31. Species Acasta newmani Van Syoc & Winther, 1999
32. Species Acasta pertusa Kolbasov, 1990
33. Species Acasta praerupta Foster, 1981
34. Species Acasta purpurata Darwin, 1854
35. Species Acasta pygmaea (Broch, 1931)
36. Species Acasta radenta Yu, Kolbasov, Hosie, Lee & Chan, 2017
37. Species Acasta rimiformis Kolbasov, 1991
38. Species Acasta sandwichi Yu, Chan, Achituv & Kolbasov, 2017
39. Species Acasta semota Hiro, 1933
40. Species Acasta serrata Hiro, 1937
41. Species Acasta sinica Ren, 1984
42. Species Acasta spinosa Hiro, 1939
43. Species Acasta spongiteformis Kolbasov, 1993
44. Species Acasta spongites (Poli, 1791)
45. Species Acasta squamosa (Rosell, 1991)
46. Species Acasta striata Gruvel, 1901
47. Species Acasta sulcata Lamarck, 1818
48. Species Acasta turriformis Yu, Chan, Achituv & Kolbasov, 2017
49. Species Acasta tzetlini Kolbasov, 1992
50. Species Acasta umitosaka Utinomi, 1962
51. Species Acasta undulaterga Yu, Kolbasov, Hosie, Lee & Chan, 2017
52. Species Acasta vipensis Van Syoc, Carrison-Stone, Madrona & Williams, 2014
53. Species Acasta vivicava Kolbasov, Chan, Molodtsova & Achituv, 2016
54. Species Acasta abnormis Kolbasov, 1991 accepted as Euacasta abnormis (Kolbasov, 1991) (generic reassignment)
55. Species Acasta aculeata Nilsson-Cantell, 1921 accepted as Euacasta aculeata (Nilsson-Cantell, 1921) (generic reassignment)
56. Species Acasta angusticalcar Broch, 1931 accepted as Pectinoacasta angusticalcar (Broch, 1931) (generic reassignment)
57. Species Acasta antipathidis Broch, 1916 accepted as Euacasta antipathidis (Broch, 1916) (generic reassignment)
58. Species Acasta aperta Hiro, 1931 accepted as Acasta dofleini Krüger, 1911 accepted as Euacasta dofleini (Kruger, 1911) (listed as synonym by Newman & Ross, 1976)
59. Species Acasta cancellorum Hiro, 1931 accepted as Pectinoacasta cancellorum (Hiro, 1931) (generic reassignment)
60. Species Acasta coriobasis Broch, 1947 accepted as Neoacasta coriobasis (Broch, 1947) (generic reassignment)
61. Species Acasta ctenodentia Rosell, 1972 accepted as Euacasta ctenodentia (Rosell, 1972) (generic reassignment)
62. Species Acasta dofleini Krüger, 1911 accepted as Euacasta dofleini (Kruger, 1911) (generic reassignment)
63. Species Acasta fossata Barnard, 1924 accepted as Neoacasta fossata (Barnard, 1924) (generic reassignment)
64. Species Acasta glans Lamarck, 1818 accepted as Neoacasta glans (Lamarck, 1818) (generic reassignment)
65. Species Acasta komaii Hiro, 1931 accepted as Acasta pectinipes Pilsbry, 1912 accepted as Pectinoacasta pectinipes (Pilsbry, 1912) (listed as synonym by Newman & Ross, 1976)
66. Species Acasta laevigata Gray, 1925 accepted as Neoacasta laevigata (Gray, 1825) (generic reassignment)
67. Species Acasta membranacea Barnard, 1924 accepted as Archiacasta membranacea (Barnard, 1924) (generic reassignment)
68. Species Acasta microforamina Rosell, 1970 accepted as Euacasta microforamina (Rosell, 1970) (generic reassignment)
69. Species Acasta nitida Hoek, 1913 accepted as Acasta pectinipes Pilsbry, 1912 accepted as Pectinoacasta pectinipes (Pilsbry, 1912) (listed as synonym by Newman & Ross, 1976)
70. Species Acasta pectinipes Pilsbry, 1912 accepted as Pectinoacasta pectinipes (Pilsbry, 1912) (generic reassignment)
71. Species Acasta perforata Rosell, 1991 accepted as Multatria perforata (Rosell, 1991) (generic reassignment)
72. Species Acasta porata Nilsson-Cantell, 1921 accepted as Euacasta porata (Nilsson-Cantell, 1921) (generic reassignment)
73. Species Acasta sculptura Broch, 1931 accepted as Pectinoacasta sculpturata (Broch, 1931) (generic reassignment and misspelling)
74. Species Acasta scuticosta Weltner, 1887 accepted as Neoacasta scuticosta (Weltner, 1887) (generic reassignment)
75. Species Acasta spinifera Utinomi, 1967 accepted as Archiacasta spinifera (Utinomi, 1967) (generic reassignment)
76. Species Acasta spinitergum Broch, 1931 accepted as Archiacasta spinitergum (Broch, 1931) (generic reassignment)
77. Species Acasta sporillus Darwin, 1854 accepted as Euacasta sporillus (Darwin, 1854) (generic reassignment)
78. Species Acasta tenuivalvata Broch, 1947 accepted as Archiacasta tenuivalvata (Broch, 1947) (generic reassignment)
79. Species Acasta tulipa Hiro, 1933 accepted as Archiacasta tulipa (Hiro, 1933) (generic reassignment)
80. Species Acasta zevinae Kolbasov, 1991 accepted as Pectinoacasta zevinae (Kolbasov, 1991) (generic reassignment)
81. Species Acasta zuiho Hiro, 1936 accepted as Euacasta zuiho (Hiro, 1936) (generic reassignment)

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