1. Variety Caloneis silicula var. frenguellii Cleve-Euler, 1948
2. Variety Caloneis silicula var. gibbosa H.P.Gandhi, 1962
3. Variety Caloneis silicula var. brevistriata Otto Müller, 1909 accepted as Caloneis pulchra var. brevistriata (Otto Müller) Cleve-Euler, 1955 (unaccepted > superseded combination)
4. Forma Caloneis silicula f. acuta Cleve-Euler, 1955 (uncertain > unassessed)
5. Forma Caloneis silicula f. alpina (Cleve) Krammer, 1985 accepted as Caloneis silicula var. alpina Cleve, 1894 (uncertain > unassessed)
6. Forma Caloneis silicula f. angusta Compère ex Cocquyt & Van de Vijver, 2014 (uncertain > unassessed)
7. Forma Caloneis silicula f. angusta Mayer, 1913 (uncertain > unassessed)
8. Forma Caloneis silicula f. angustior Mayer, 1941 (uncertain > unassessed)
9. Forma Caloneis silicula f. arctica Krasske, 1938 (uncertain > unassessed)
10. Forma Caloneis silicula f. bicuneata (Grunow) Meister, 1912 accepted as Navicula limosa var. bicuneata Grunow, 1860 (uncertain > unassessed)
11. Forma Caloneis silicula f. claviceps Hustedt, 1945 (uncertain > unassessed)
12. Forma Caloneis silicula f. constricta Messikommer, 1956 (uncertain > unassessed)
13. Forma Caloneis silicula f. constricta Hustedt, 1942 (uncertain > unassessed)
14. Forma Caloneis silicula f. cuneata Otto Müller in Motschi, 1907 (uncertain > unassessed)
15. Forma Caloneis silicula f. curta Grun accepted as Navicula limosa var. curta Grunow in Van Heurck, 1880 (uncertain > unassessed)
16. Forma Caloneis silicula f. densestriata Maillard, 1977 (uncertain > unassessed)
17. Forma Caloneis silicula f. diminuta Cleve-Euler, 1932 (uncertain > unassessed)
18. Forma Caloneis silicula f. elliptica (Frenguelli) Frenguelli, 1941 accepted as Navicula ventricosa var. elliptica Frenguelli, 1923 accepted as (uncertain > unassessed)
19. Forma Caloneis silicula f. fasciata Krasske, 1925 (uncertain > unassessed)
20. Forma Caloneis silicula f. genuina (Cleve) Mayer, 1941 accepted as Caloneis silicula var. genuina Cleve, 1894 (uncertain > unassessed)
21. Forma Caloneis silicula f. genuina Mayer, 1941 (uncertain > unassessed)
22. Forma Caloneis silicula f. gibberula (Kützing) Cleve, 1894 accepted as Navicula gibberula var. gibberula Kützing, 1844 (uncertain > unassessed)
23. Forma Caloneis silicula f. hankensis Skvortzow, 1929 (uncertain > unassessed)
24. Forma Caloneis silicula f. inflata (Grunow) Mayer, 1917 accepted as Navicula limosa var. inflata Grunow, 1860 (uncertain > unassessed)
25. Forma Caloneis silicula f. inflata (Grunow) Cleve, 1894 accepted as Navicula limosa var. inflata Grunow, 1860 (uncertain > unassessed)
26. Forma Caloneis silicula f. intermedia Hustedt, 1942 (uncertain > unassessed)
27. Forma Caloneis silicula f. intermedia Kisselev, 1932 (uncertain > unassessed)
28. Forma Caloneis silicula f. jenisseyensis (Grunow in Cleve & Grunow) Cleve, 1894 accepted as Navicula ventricosa var. jenisseyensis Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
29. Forma Caloneis silicula f. lata Cleve-Euler, 1932 (uncertain > unassessed)
30. Forma Caloneis silicula f. limosa (Kützing) Mayer, 1917 accepted as Navicula limosa f. limosa Kützing, 1844 (uncertain > unassessed)
31. Forma Caloneis silicula f. minima Mayer, 1913 (uncertain > unassessed)
32. Forma Caloneis silicula f. minor Mayer, 1913 (uncertain > unassessed)
33. Forma Caloneis silicula f. minor E. Manguin, 1964 (uncertain > unassessed)
34. Forma Caloneis silicula f. minuta (Grunow in Van Heurck) Cleve, 1894 accepted as Navicula ventricosa f. minuta Grunow, 1880 (uncertain > unassessed)
35. Forma Caloneis silicula f. minutissima Hustedt, 1937 (uncertain > unassessed)
36. Forma Caloneis silicula f. minutula Cholnoky, 1954 (uncertain > unassessed)
37. Forma Caloneis silicula f. nipponica Skvortzow, 1936 (uncertain > unassessed)
38. Forma Caloneis silicula f. parva McCall, 1933 (uncertain > unassessed)
39. Forma Caloneis silicula f. peisonis (Grunow) Krammer, 1985 accepted as Navicula peisonis var. peisonis Grunow, 1860 (uncertain > unassessed)
40. Forma Caloneis silicula f. pusilla Cleve-Euler, 1955 (uncertain > unassessed)
41. Forma Caloneis silicula f. recta Jurilj, 1954 (uncertain > unassessed)
42. Forma Caloneis silicula f. rhomboidalis Mayer, 1913 (uncertain > unassessed)
43. Forma Caloneis silicula f. robusta Maillard, 1978 (uncertain > unassessed)
44. Forma Caloneis silicula f. semiaperta Otto Müller, 1909 (uncertain > unassessed)
45. Forma Caloneis silicula f. semicruciata Mayer, 1941 (uncertain > unassessed)
46. Forma Caloneis silicula f. semifasciata Krasske, 1925 (uncertain > unassessed)
47. Forma Caloneis silicula f. silicula (Ehrenberg) Cleve, 1894 accepted as Navicula silicula Ehrenberg, 1843 (uncertain > unassessed)
48. Forma Caloneis silicula f. truncatula (Grunow in Van Heurck) Cleve, 1894 accepted as Navicula ventricosa var. truncatula Grunow, 1880 (uncertain > unassessed)
49. Forma Caloneis silicula f. tumida Hustedt, 1909 (uncertain > unassessed)
50. Forma Caloneis silicula f. typica Mayer, 1941 (uncertain > unassessed)
51. Forma Caloneis silicula f. ventricosa (Ehrenberg) (Donkin) Cleve, 1894 accepted as Navicula ventricosa var. ventricosa Ehrenberg, 1830 (uncertain > unassessed)
52. Variety Caloneis silicula var. alpina Cleve, 1894 (uncertain > unassessed)
53. Variety Caloneis silicula var. alpina (Cleve) Mayer, 1941 accepted as Caloneis silicula var. alpina Cleve, 1894 (uncertain > unassessed)
54. Variety Caloneis silicula var. baicalensis Skvortzov (uncertain > unassessed)
55. Variety Caloneis silicula var. biconstricta (Østrup) Cleve-Euler, 1955 accepted as Caloneis silicula var. biconstricta Østrup, 1910 (uncertain > unassessed)
56. Variety Caloneis silicula var. biconstricta Østrup, 1910 (uncertain > unassessed)
57. Variety Caloneis silicula var. bicuneata (Grunow) Mayer, 1941 accepted as Navicula limosa var. bicuneata Grunow, 1860 (uncertain > unassessed)
58. Variety Caloneis silicula var. blancheana Maillard, 1978 (uncertain > unassessed)
59. Variety Caloneis silicula var. borivliana (Gonz. & Gandhi) VanLandingham, 1968 accepted as Caloneis silicula var. truncatula f. borivliana Gonzalves & H.P.Gandhi, 1953 (uncertain > unassessed)
60. Variety Caloneis silicula var. capitata (Lagerstedt) Cleve, 1894 accepted as Navicula gibberula var. capitata Lagerstedt, 1873 (uncertain > unassessed)
61. Variety Caloneis silicula var. cuneata Meister, 1912 (uncertain > unassessed)
62. Variety Caloneis silicula var. curta (Grunow in Van Heurck) Mayer, 1941 accepted as Navicula limosa var. curta Grunow in Van Heurck, 1880 (uncertain > unassessed)
63. Variety Caloneis silicula var. diabolica Zanon, 1948 (uncertain > unassessed)
64. Variety Caloneis silicula var. diminuta (Cleve-Euler) Cleve-Euler, 1955 accepted as Caloneis silicula f. diminuta Cleve-Euler, 1932 (uncertain > unassessed)
65. Variety Caloneis silicula var. elliptica Mayer, 1913 (uncertain > unassessed)
66. Variety Caloneis silicula var. genuina Cleve, 1894 (uncertain > unassessed)
67. Variety Caloneis silicula var. gibba Mayer, 1939 (uncertain > unassessed)
68. Variety Caloneis silicula var. gibba Mayer, 1917 (uncertain > unassessed)
69. Variety Caloneis silicula var. gibberula (Kützing) Cleve, 1894 accepted as Navicula gibberula var. gibberula Kützing, 1844 (uncertain > unassessed)
70. Variety Caloneis silicula var. hinganica Skvortzov, 1976 (uncertain > unassessed)
71. Variety Caloneis silicula var. inflata Reinhold, 1937 (uncertain > unassessed)
72. Variety Caloneis silicula var. inflatiformis Mayer, 1941 (uncertain > unassessed)
73. Variety Caloneis silicula var. intermedia Mayer, 1913 (uncertain > unassessed)
74. Variety Caloneis silicula var. kjellmaniana Cleve accepted as Navicula ventricosa var. kjellmaniana Cleve in Cleve & Grunow, 1880 (uncertain > unassessed)
75. Variety Caloneis silicula var. limosa (Kützing) VanLandingham, 1968 accepted as Navicula limosa f. limosa Kützing, 1844 (uncertain > unassessed)
76. Variety Caloneis silicula var. linearis Shirshov, 1935 (uncertain > unassessed)
77. Variety Caloneis silicula var. lineata Schljapina nom. nud. (uncertain > unassessed)
78. Variety Caloneis silicula var. longissima Schirshov, 1935 (uncertain > unassessed)
79. Variety Caloneis silicula var. maculata (M. Peragallo in Héribaud et al.) F.W. Mills, 1933 accepted as Navicula limosa var. maculata M. Peragallo in Héribaud et al., 1920 (uncertain > unassessed)
80. Variety Caloneis silicula var. major Skvortzow, 1937 (uncertain > unassessed)
81. Variety Caloneis silicula var. major (M. Peragallo & Héribaud in Héribaud) Meister, 1912 accepted as Navicula limosa f. major M. Peragallo & Héribaud in Héribaud, 1893 (uncertain > unassessed)
82. Variety Caloneis silicula var. maxima Solovev & Belogolovaya, 1934 (uncertain > unassessed)
83. Variety Caloneis silicula var. minuta (Grunow) Mayer, 1941 accepted as Navicula ventricosa var. minuta Cleve & Möller, 1879 (uncertain > unassessed)
84. Variety Caloneis silicula var. oblonga Cleve-Euler, 1939 (uncertain > unassessed)
85. Variety Caloneis silicula var. oblonga Mayer, 1941 (uncertain > unassessed)
86. Variety Caloneis silicula var. parallela Jurilj, 1954 (uncertain > unassessed)
87. Variety Caloneis silicula var. patagonica Otto Müller, 1909 (uncertain > unassessed)
88. Variety Caloneis silicula var. peisonis Hustedt, 1930 (uncertain > unassessed)
89. Variety Caloneis silicula var. peisonis (Grunow) Mayer, 1941 accepted as Navicula peisonis var. peisonis Grunow, 1860 (uncertain > unassessed)
90. Variety Caloneis silicula var. rhomboidalis (Mayer) Mayer, 1941 accepted as Caloneis silicula f. rhomboidalis Mayer, 1913 (uncertain > unassessed)
91. Variety Caloneis silicula var. sibirica Skvortzow, 1971 (uncertain > unassessed)
92. Variety Caloneis silicula var. signata Meister, 1912 (uncertain > unassessed)
93. Variety Caloneis silicula var. subconstricta Østrup, 1910 (uncertain > unassessed)
94. Variety Caloneis silicula var. subgibba Mayer, 1917 (uncertain > unassessed)
95. Variety Caloneis silicula var. subundulata Maillard, 1978 (uncertain > unassessed)
96. Variety Caloneis silicula var. subundulata (Grunow) Mayer, 1917 accepted as Navicula ventricosa var. subundulata Grunow, 1880 (uncertain > unassessed)
97. Variety Caloneis silicula var. subventricosa (Gunow in Cleve & Grunow) Cleve, 1894 accepted as Navicula subventricosa Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
98. Variety Caloneis silicula var. tenuis (Hustedt) Mayer, 1941 accepted as Caloneis silicula var. tenuis Hustedt, 1915 (uncertain > unassessed)
99. Variety Caloneis silicula var. tenuis Hustedt, 1915 (uncertain > unassessed)
100. Variety Caloneis silicula var. truncata (Grunow) Meister accepted as Navicula truncata Kützing, 1844 (uncertain > unassessed)
101. Variety Caloneis silicula var. truncatula (Grunow) Cleve, 1894 accepted as Navicula ventricosa var. truncatula Grunow, 1880 (uncertain > unassessed)
102. Variety Caloneis silicula var. tumida Hustedt accepted as Caloneis silicula f. tumida Hustedt, 1909 (uncertain > unassessed)
103. Variety Caloneis silicula var. tumidiformis Mayer, 1941 (uncertain > unassessed)
104. Variety Caloneis silicula var. tumidula Mayer, 1941 (uncertain > unassessed)
105. Variety Caloneis silicula var. undulata (Grunow) Mayer, 1941 accepted as Navicula limosa var. undulata Grunow, 1880 (uncertain > unassessed)
106. Variety Caloneis silicula var. undulatiformis Mayer, 1941 (uncertain > unassessed)
107. Variety Caloneis silicula var. ventricosa (Ehrenberg) (Donkin) Cleve, 1894 accepted as Navicula ventricosa var. ventricosa Ehrenberg, 1830 (uncertain > unassessed)
108. Variety Caloneis silicula var. warmingii (Østrup) Cleve-Euler, 1955 accepted as Caloneis warmingii var. warmingii Østrup, 1910 (uncertain > unassessed)

marine, brackish, fresh, terrestrial

(of Navicula silicula Ehrenberg, 1843) Ehrenberg, C.G. (1843). Verbreitung und Einfluss des mikroskopischen Lebens in Süd- und Nord-Amerika. <em>Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin.</em> 1841: 291-445, 4 pls., available online at https://biodiversitylibrary.org/page/29106994
page(s): p. 419 [details] 

Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2021). DiatomBase. Caloneis silicula (Ehrenberg) Cleve, 1894. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=149492 on 2025-03-13

Marine Species Traits editorial board (2025). Marine Species Traits. Caloneis silicula (Ehrenberg) Cleve, 1894. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=149492 on 2025-03-13

[taxonomic tree]