1. Species Syracosphaera adriatica Schiller
2. Species Syracosphaera ampliora Okada & McIntyre, 1977
3. Species Syracosphaera andruleitii Kleijne & Cros, 2009
4. Species Syracosphaera anthos (Lohman) Janin, 1987
5. Species Syracosphaera antiqua Bown, J.A.Lees & Jer.R.Young, 2017 †
6. Species Syracosphaera azureaplaneta Young, Bown, Cros, Hagino & Jordan, 2018
7. Species Syracosphaera bannockii (Borsetti & Cati) Cros et al., 2000
8. Species Syracosphaera bifenestrata J.Schiller, 1913
9. Species Syracosphaera borealis Okada & McIntyre, 1977
10. Species Syracosphaera castellata Kleijne & Cros, 2009
11. Species Syracosphaera confusa P.Halldal & J.Markali
12. Species Syracosphaera cordiformis Schiller, 1913
13. Species Syracosphaera cornus Kamptner
14. Species Syracosphaera corolla J.Lecal, 1966
15. Species Syracosphaera coronata J.Schiller, 1913
16. Species Syracosphaera cupulifera Schiller
17. Species Syracosphaera delicata Cros et al., 2000
18. Species Syracosphaera dentata Lohmann, 1902
19. Species Syracosphaera didyma Kleijne & Cros, 2009
20. Species Syracosphaera dilatata R.W.Jordan, Kleijne & Heimdal, 1993
21. Species Syracosphaera elevata Archontikis, Jer.R.Young & L.Cros, 2020
22. Species Syracosphaera epigrosa Okada & McIntyre, 1977
23. Species Syracosphaera florida Sánchez-Suárez, 1990
24. Species Syracosphaera fragilis S.Theodoridis, 1984 †
25. Species Syracosphaera grundii Schiller
26. Species Syracosphaera halldalii Gaarder ex R.W.Jordan & J.C.Green, 1994
27. Species Syracosphaera hastata Kleijne & Cros, 2009
28. Species Syracosphaera hirsuta Kleijne & Cros, 2009
29. Species Syracosphaera histrica Kamptner, 1941
30. Species Syracosphaera kareniae Archontikis & Jer.R.Young, 2021 †
31. Species Syracosphaera lactaria Lecal-Schlauder, 1966
32. Species Syracosphaera lafourcadei (Lecal-Schlauder) Archontikis, Young & Cros, 2020
33. Species Syracosphaera lamina Lecal-Schlauder, 1951
34. Species Syracosphaera leptolepis Kleijne & Cros, 2009
35. Species Syracosphaera lohmannii Brunnthaler, 1911
36. Species Syracosphaera marginiporata M.Knappertsbusch, 1993
37. Species Syracosphaera molischii J.Schiller, 1925
38. Species Syracosphaera nana (Kamptner) Okada & McIntyre, 1977
39. Species Syracosphaera nodosa Kamptner, 1941
40. Species Syracosphaera noroitica M.Knappertsbusch, 1993
41. Species Syracosphaera operculata Kleijne & Cros, 2009
42. Species Syracosphaera orbiculus Okada & McIntyre, 1977
43. Species Syracosphaera origami (Cros & McGrane) Archontikis, Young & Cros, 2020
44. Species Syracosphaera ovata Schiller
45. Species Syracosphaera pemmadiscus F.H.Chang, 2013
46. Species Syracosphaera periperforata (Kleijne) Archontikis, Young & Cros, 2020
47. Species Syracosphaera pirus Halldal & Markali, 1955
48. Species Syracosphaera prolongata Gran ex Lohmann, 1913
49. Species Syracosphaera protrudens Okada & McIntyre, 1977
50. Species Syracosphaera pulchra Lohmann, 1902
51. Species Syracosphaera radiata Schiller
52. Species Syracosphaera reniformis Kleijne & Cros, 2009
53. Species Syracosphaera rotaconica Archontikis, Jer.R.Young & L.Cros, 2020
54. Species Syracosphaera rotula Okada & McIntyre, 1977
55. Species Syracosphaera scutata J.Lecal-Schlauder †
56. Species Syracosphaera serrata Kleijne & Cros, 2009
57. Species Syracosphaera squamosa Kleijne & Cros, 2009
58. Species Syracosphaera subsalsa (Conrad) Kamptner, 1928
59. Species Syracosphaera tumularis Sánchez- Suárez, 1990
60. Species Syracosphaera winteri Keuter, Koplovitz, Zingone, J.R.Young & Frada, 2021
61. Species Syracosphaera binodata Kamptner, 1927 accepted as Coronosphaera binodata (Kamptner) Gaarder, 1977 accepted as Syracosphaera mediterranea var. binodata Kamptner, 1927 (synonym)
62. Species Syracosphaera binodata (Kamptner) Kamptner, 1937 accepted as Syracosphaera mediterranea var. binodata Kamptner, 1927
63. Species Syracosphaera brandtii J.Schiller, 1925 accepted as Chrysotila carterae (Braarud & Fagerland) Andersen, Kim, Tittley & Yoon, 2014 (synonym)
64. Species Syracosphaera carterae Braarud & Fargerland, 1946 accepted as Chrysotila carterae (Braarud & Fagerland) Andersen, Kim, Tittley & Yoon, 2014 (basionym)
65. Species Syracosphaera corii J.Schiller, 1925 accepted as Michaelsarsia elegans Gran, 1912 (synonym)
66. Species Syracosphaera cornifera J.Schiller, 1913 accepted as Helladosphaera cornifera (J.Schiller) Kamptner, 1937 (Basionym)
67. Species Syracosphaera corrugis Okada & McIntyre, 1977 accepted as Syracosphaera molischii J.Schiller, 1925 (synonym)
68. Species Syracosphaera dalmatica Kamptner, 1927 accepted as Syracolithus dalmaticus (Kamptner) Leoblich Jr.& Tappan, 1966 (Basionym)
69. Species Syracosphaera elatensis Winter, 1979 accepted as Syracosphaera molischii J.Schiller, 1925 (synonym)
70. Species Syracosphaera elongata Droop, 1955 accepted as Chrysotila elongata (Droop) Andersen, J.T.Kim, Tittley & H.S.Yoon, 2014
71. Species Syracosphaera gaarderae (Borsetti & Cati) Keuter, J.R.Young & M.J.Frada, 2019 accepted as Helladosphaera gaarderae Borsetti & Cati, 1976 (synonym)
72. Species Syracosphaera heimii Lohmann, 1919 accepted as Thoracosphaera heimii (Lohmann) Kamptner, 1944 (synonym)
73. Species Syracosphaera maxima Halldal & Markali, 1955 accepted as Coronosphaera maxima (Halldal & Markali) Gaarder, 1977 (Basionym)
74. Species Syracosphaera mediterranea Lohmann, 1902 accepted as Coronosphaera mediterranea (Lohmann) Gaarder, 1977 (Basionym)
75. Species Syracosphaera pulchroides Halldal & Markali, 1955 accepted as Coronosphaera mediterranea (Lohmann) Gaarder, 1977 (Basionym)
76. Species Syracosphaera quadricornu J.Schiller, 1914 accepted as Algirosphaera quadricornu (Schiller) R.E.Norris, 1984 (Synonym)
77. Species Syracosphaera quadriperforata Kamptner, 1937 accepted as Calcidiscus leptoporus subsp. quadriperforatus (Kamptner) Geisen et al., 2002 (synonym)
78. Species Syracosphaera quatricornu Schiller, 1914 accepted as Algirosphaera quadricornu (Schiller) R.E.Norris, 1984 (synonym)
79. Species Syracosphaera robusta Lohmann, 1902 accepted as Algirosphaera robusta (Lohmann) R.E.Norris, 1984 (Basionym)
80. Species Syracosphaera roscoffensis P.A.Dangeard, 1934 accepted as Chrysotila roscoffensis (P.A.Dangeard) R.A.Andersen, J.I.Kim, Tittley & H.S.Yoon, 2015 (synonym)
81. Species Syracosphaera schilleri Kamptner, 1927 accepted as Syracolithus schilleri (Kamptner) Norris, 1985 (synonym)
82. Species Syracosphaera tuberculata Kamptner, 1937 accepted as Coronosphaera mediterranea (Lohmann) Gaarder, 1977 (Basionym)
83. Species Syracosphaera variabilis (Halldal & Markali) Okada & McIntyre, 1977 accepted as Deutschlandia anthos Lohmann, 1912 accepted as Syracosphaera anthos (Lohman) Janin, 1987 (synonym)
84. Species Syracosphaera catillifera Kamptner, 1937 (uncertain, synonym)
85. Species Syracosphaera ossa Lecal-Schlauder, 1968 (uncertain)
86. Species Syracosphaera repagula Bown, J.A.Lees & Jer.R.Young, 2017 † (uncertain)

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