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Placoneis C. Mereschkowsky, 1903

175666 (urn:lsid:marinespecies.org:taxname:175666)

  1. Biota
  2. Chromista (Kingdom)
  3. Heterokontophyta (Phylum)
  4. Bacillariophytina (Subphylum)
  5. Bacillariophyceae (Class)
  6. Bacillariophycidae (Subclass)
  7. Bacillariophycanae (Superorder)
  8. Cymbellales (Order)
  9. Cymbellaceae (Family)
  10. Placoneis (Genus)
accepted
Genus
Cymbellaceae Greville, 1833

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  1. Species Placoneis abiskoensis (Hustedt) Lange-Bertalot & D.Metzeltin, 1996
  2. Species Placoneis apiculata (Skabitschewsky, 1936) Kulikovskiy, Lange-Bertalot, Khursevich & Witkowski, 2015
  3. Species Placoneis australis Van de Vijver & Zidarova in Zidarova et al., 2009
  4. Species Placoneis balcanica (Hustedt) H. Lange-Bertalot, D. Metzeltin & Levkov in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005
  5. Species Placoneis boris-skvortzowii D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
  6. Species Placoneis chilensis H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
  7. Species Placoneis clementis (Grunow) E.J.Cox, 1987
  8. Species Placoneis clementispronina Lange-Bertalot & Wojtal, 2014
  9. Species Placoneis cocquytiae C.A.K.Fofana, E.H.Sow, J.Taylor, L.Ector & B.van de Vijver, 2014
  10. Species Placoneis coxiae J.P.Kociolek & E.W. Thomas, 2010
  11. Species Placoneis cuneata (M.Möller ex Foged) M.Potapova, 2014
  12. Species Placoneis dicephala (W.Smith) Meresch.
  13. Species Placoneis gastrum (Ehrenberg) Mereschkovsky, 1903
  14. Species Placoneis gelegma M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  15. Species Placoneis itamoemae A.Straube, P.Tremarin & T.Ludwig, 2013
  16. Species Placoneis jatobensis (Krasske) D.Metzeltin & Lange-Bertalot
  17. Species Placoneis juriljii A.Miho & Lange-Bertalot, 2006
  18. Species Placoneis laticuneata M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  19. Species Placoneis likhoshwayae D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
  20. Species Placoneis maior M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  21. Species Placoneis margaritae M.S.Kulikovskiy & H.Lange-Bertalot, 2012
  22. Species Placoneis miseranda M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  23. Species Placoneis mologaensis Vishnyakov, 2020
  24. Species Placoneis nanoclementis Lange-Bertalot & Wojtal, 2014
  25. Species Placoneis parazula M.S.Kulikovskiy & H.Lange-Bertalot, 2012
  26. Species Placoneis parvapolonica Lange-Bertalot & Wojtal, 2014
  27. Species Placoneis patagonica Maidana in Maidana et al., 2017
  28. Species Placoneis pellaifa H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
  29. Species Placoneis placentula (Ehrenberg) Mereschkowsky, 1903
  30. Species Placoneis porifera (Hustedt) T.Ohtsuka & Y.Fujita
  31. Species Placoneis potapovae (Moghadam) Kociolek in Kociolek et al., 2014
  32. Species Placoneis pseudolacustris (Skabitschewsky, 1936) Kulikovskiy, Lange-Bert. & Khursevich, 2015
  33. Species Placoneis reversa (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005
  34. Species Placoneis ruppeliana M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  35. Species Placoneis scharfii H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
  36. Species Placoneis sinensis Y.Li & D.Metzeltin, 2013 †
  37. Species Placoneis spinosa M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  38. Species Placoneis subtilis M.S.Kulikovskiy & H.Lange-Bertalot, 2012
  39. Species Placoneis yucatanensis Lange-Bertalot, 2007
  40. Species Placoneis zula M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
  41. Species Placoneis abundans Metzeltin, Lange-Bertalot & García-Rodríguez, 2005 (uncertain > unassessed)
  42. Species Placoneis amphibola (Cleve) E.J.Cox, 2003 accepted as Navicula amphibola f. amphibola Cleve, 1891 (uncertain > unassessed)
  43. Species Placoneis anglica (Ralfs) R.Lowe, 2004 accepted as Navicula anglica f. anglica Ralfs in Pritchard, 1861 (uncertain > unassessed)
  44. Species Placoneis apicalicostata D. Metzeltin & H. Lange-Bertalot, 2002 (uncertain > unassessed)
  45. Species Placoneis bicapitata Heinzerling, 1908 (uncertain > unassessed)
  46. Species Placoneis bicuneus D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  47. Species Placoneis bukhchuluunae D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 (uncertain > unassessed)
  48. Species Placoneis centropunctata (Hustedt) Metzeltin & Lange-Bertalot, 1998 accepted as Navicula centropunctata Hustedt, 1966 (uncertain > unassessed)
  49. Species Placoneis clementioides (Hustedt) E.J.Cox, 1988 accepted as Navicula clementioides Hustedt, 1944 (uncertain > unassessed)
  50. Species Placoneis coloradensis J.P.Kociolek & E.W. Thomas, 2010 (uncertain > unassessed)
  51. Species Placoneis constans (Hustedt) E.J. Cox, 2003 accepted as Navicula constans var. constans Hustedt, 1944 (uncertain > unassessed)
  52. Species Placoneis conveniens (Hustedt) Metzeltin & Lange-Bertalot, 1998 accepted as Navicula conveniens Hustedt, 1952 (uncertain > unassessed)
  53. Species Placoneis coxia J.P. Kociolek & E.W. Thomas, 2010 (uncertain > unassessed)
  54. Species Placoneis dacostae Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  55. Species Placoneis demeraroides (Hustedt) Metzeltin & Lange-Bertalot, 1998 accepted as Navicula demeraroides Hustedt, 1966 (uncertain > unassessed)
  56. Species Placoneis disparilis (Hustedt) D.Metzeltin & Lange-Bertalot, 1998 accepted as Navicula disparilis var. disparilis Hustedt, 1966 (uncertain > unassessed)
  57. Species Placoneis elegans D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  58. Species Placoneis elegantula D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  59. Species Placoneis elginensis (Gregory) E.J.Cox, 1988 accepted as Pinnularia elginensis Gregory, 1856 (uncertain > unassessed)
  60. Species Placoneis elliptica (Hustedt) T. Ohtsuka, 2002 accepted as Navicula exigua var. elliptica Hustedt, 1927 (uncertain > unassessed)
  61. Species Placoneis ellipticorostrata D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 (uncertain > unassessed)
  62. Species Placoneis exigua (Gregory) Mereschkovsky, 1903 accepted as Pinnularia exigua W.Gregory, 1854 † (uncertain > unassessed)
  63. Species Placoneis explanata (Hustedt) Lange-Bertalot, 2000 accepted as Navicula explanata Hustedt, 1948 (uncertain > unassessed)
  64. Species Placoneis fourtanierae J.P. Kociolek & E.W. Thomas, 2010 (uncertain > unassessed)
  65. Species Placoneis gracilis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  66. Species Placoneis hambergii (Hustedt) K.Bruder, 2007 accepted as Navicula hambergi Hustedt, 1924 (uncertain > unassessed)
  67. Species Placoneis humilis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  68. Species Placoneis ignorata (Schimanski) Lange-Bertalot, 2000 accepted as Navicula ignorata Schimanski, 1978 (uncertain > unassessed)
  69. Species Placoneis insignita (Hustedt) E.J.Cox, 2003 accepted as Navicula insignita f. insignita Hustedt, 1942 (uncertain > unassessed)
  70. Species Placoneis integra (W.Smith) Mereschkowsky, 1903 (uncertain > unassessed)
  71. Species Placoneis interglacialis (Hustedt) E.J. Cox, 2003 accepted as Navicula interglacialis Hustedt, 1944 (uncertain > unassessed)
  72. Species Placoneis japonica (H. Kobayasi) H. Kobayasi in S. Mayama & A. Kawashima, 1998 accepted as Stauroneis japonica Kobayasi ex Kobayasi & Mayama, 1986 (uncertain > unassessed)
  73. Species Placoneis jurilijii A. Miho & H. Lange-Bertalot (uncertain > unassessed)
  74. Species Placoneis lata (M.Peragallo) R.Lowe, 2004 accepted as Navicula dicephala var. lata M.Peragallo, 1908 (uncertain > unassessed)
  75. Species Placoneis macedonica Z.Levkov & D.Metzeltin, 2007 (uncertain > unassessed)
  76. Species Placoneis maculata (Hustedt) Z.Levkov, 2007 accepted as Navicula placentula var. maculata Hustedt, 1945 (uncertain > unassessed)
  77. Species Placoneis madagascariensis H. Lange-Bertalot & D. Metzeltin in D. Metzeltin & H. Lange-Bertalot, 2002 (uncertain > unassessed)
  78. Species Placoneis merinensis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  79. Species Placoneis molesta Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  80. Species Placoneis molestissima D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  81. Species Placoneis navicularis (Ehrenberg) E.J.Cox, 2003 accepted as Amphiprora navicularis Ehrenberg, 1843 (uncertain > unassessed)
  82. Species Placoneis neglecta R.Lowe, 2004 (uncertain > unassessed)
  83. Species Placoneis neglecta A.Tuji, 2003 (uncertain > unassessed)
  84. Species Placoneis neoexigua Lange-Bertalot & Miho, 2006 (uncertain > unassessed)
  85. Species Placoneis neotropica Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  86. Species Placoneis ohridana Z.Levkov & D.Metzeltin, 2007 (uncertain > unassessed)
  87. Species Placoneis ovillus D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  88. Species Placoneis paraelginensis Lange-Bertalot, 2000 (uncertain > unassessed)
  89. Species Placoneis paraundulata T. Ohtsuka, 2002 (uncertain > unassessed)
  90. Species Placoneis perelginensis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  91. Species Placoneis placentula Heinzerling, 1908 (uncertain > unassessed)
  92. Species Placoneis prespanensis Z.Levkov, S.Krstic & T.Nakov, 2007 (uncertain > unassessed)
  93. Species Placoneis pseudabundans Z.Levkov, 2011 (uncertain > unassessed)
  94. Species Placoneis pseudanglica E.J.Cox, 1987 (uncertain > unassessed)
  95. Species Placoneis pseudodemerarae (Hustedt) Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  96. Species Placoneis reimeri J.P.Kociolek & E.W.Thomas, 2010 (uncertain > unassessed)
  97. Species Placoneis rhombelliptica D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  98. Species Placoneis rhombica (Brockmann) Lange-Bertalot, 2005 accepted as Navicula clementis var. rhombica Brockmann, 1950 (uncertain > unassessed)
  99. Species Placoneis rostrata (A.Mayer) E.J.Cox, 2003 accepted as Navicula dicephala var. rostrata A.Mayer, 1917 (uncertain > unassessed)
  100. Species Placoneis santaremensis Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  101. Species Placoneis signata (Hustedt) A. Mayama in S. Mayama & A. Kawashima, 1998 accepted as Navicula gastrum var. signata Hustedt, 1936 (uncertain > unassessed)
  102. Species Placoneis signatoides D.Metzeltin & Z.Levkov, 2007 (uncertain > unassessed)
  103. Species Placoneis sovereignae (Hustedt) Torgan & Donadel, 2010 accepted as Navicula sovereignae Hustedt, 1955 (uncertain > unassessed)
  104. Species Placoneis subelegans Z.Levkov, 2011 (uncertain > unassessed)
  105. Species Placoneis subgastriformis (Hustedt) E.J. Cox, 2003 accepted as Navicula subgastriformis Hustedt, 1945 (uncertain > unassessed)
  106. Species Placoneis subplacentula (Hustedt) E.J. Cox, 2003 accepted as Navicula subplacentula var. subplacentula Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
  107. Species Placoneis subsalsa (uncertain > unassessed)
  108. Species Placoneis surinamensis (Cleve) Metzeltin & Lange-Bertalot, 1998 accepted as Navicula surinamensis Cleve, 1895 (uncertain > unassessed)
  109. Species Placoneis tersa (Hustedt) Metzeltin & Lange-Bertalot, 1998 accepted as Navicula tersa Hustedt, 1956 (uncertain > unassessed)
  110. Species Placoneis tsendeekhuui D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 (uncertain > unassessed)
  111. Species Placoneis tumidula Z.Levkov, 2007 (uncertain > unassessed)
  112. Species Placoneis undulata (Østrup) Lange-Bertalot accepted as Navicula dicephala f. undulata Østrup, 1918 (1920) (uncertain > unassessed)
  113. Species Placoneis uruguayensis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  114. Species Placoneis waernensis (Foged) H. Lange-Bertalot & D. Metzeltin in D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 accepted as Navicula waernensis Foged, 1964 (uncertain > unassessed)
  115. Species Placoneis witkowskii D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  116. Species Placoneis yacatanensis D. Metzeltin & H. Lange-Bertalot, 2007 (uncertain > unassessed)
  117. Species Placoneis zimmermannii Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  118. Species Placoneis anglophila (Lange-Bertalot) Lange-Bertalot, 2005 accepted as Witkowskia anglophila (Lange-Bertalot) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  119. Species Placoneis antediluvianum (Hustedt) Lange-Bertalot, 2005 † accepted as Witkowskia antediluviana (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 † (unaccepted > junior objective synonym)
  120. Species Placoneis densa (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia densa (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  121. Species Placoneis eldinensis accepted as Placoneis elginensis (Gregory) E.J.Cox, 1988 accepted as Pinnularia elginensis Gregory, 1856 (unaccepted > misspelling - incorrect subsequent spelling)
  122. Species Placoneis exiguiformis (Hustedt) Lange-Bertalot, 2005 accepted as Witkowskia exiguiformis (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  123. Species Placoneis exiguioides (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia exiguioides (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  124. Species Placoneis gastriformis (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia gastriformis (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  125. Species Placoneis habita (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia habita (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  126. Species Placoneis inexplorata (Krasske) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia inexplorata (Krasske) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  127. Species Placoneis lundstroemii (Cleve) Mereschkowsky, 1903 accepted as Cosmioneis lundstroemii (Cleve) D.G.Mann, 1990 accepted as Navicula lundstroemii var. lundstroemii Cleve in Cleve & Grunow, 1880 (synonym)
  128. Species Placoneis minor (Grunow) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Paraplaconeis minor (Grunow) Lange-Bertalot, 2017 (unaccepted > junior objective synonym)
  129. Species Placoneis mutica (Kützing) Mereschkowsky, 1903 accepted as Luticola mutica (Kützing) D.G.Mann, 1990 accepted as Navicula mutica f. mutica Kützing, 1844 (synonym)
  130. Species Placoneis parunculus (Hustedt) H. Lange-Bertalot & D. Metzeltin in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia parunculus (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  131. Species Placoneis protracta (Grunow) Mereschkowsky, 1903 accepted as Navicula protracta (Grunow) Cleve, 1894 (synonym)
  132. Species Placoneis pseudoclementis (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia pseudoclementis (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  133. Species Placoneis pseudoporifera (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia pseudoporifera (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  134. Species Placoneis serena (Frenguelli) D. Metzeltin in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia serena (Frenguelli) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  135. Species Placoneis significans (Hustedt) Lange-Bertalot, 2005 accepted as Witkowskia hustedtii (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  136. Species Placoneis subclementis (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia subclementis (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  137. Species Placoneis subinflata (Grunow) Mereschowsky, 1903 accepted as Dickieia subinflata (Grunow) D.G.Mann, 1994 accepted as Navicula subinflata var. subinflata Grunow in Cleve & Möller, 1882 (synonym)
  138. Species Placoneis symmetrica (Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Witkowskia symmetrica (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
  139. Species Placoneis vicina (Hustedt) Metzeltin & Lange-Bertalot, 1998 accepted as Witkowskia vicina (Hustedt) Kulikovskiy, Glushchenko, Mironov & Kociolek, 2024 (unaccepted > junior objective synonym)
marine, fresh, terrestrial
recent + fossil
Mereschkowsky, C. (1903). Uber Placoneis, ein neues Diatomeen-Genus. Beihefte zum Botanischen Centralblatt, 15(1): 1-30, pl. 1. [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. (2026). DiatomBase. Placoneis C. Mereschkowsky, 1903. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=175666 on 2026-07-03
Date
action
by
2005-07-18 09:19:43Z
created
Espinel, Nadjejda
2017-02-23 10:36:53Z
changed
Kociolek, John Patrick
2018-03-22 00:26:10Z
changed
Kociolek, John Patrick

original description Mereschkowsky, C. (1903). Uber Placoneis, ein neues Diatomeen-Genus. Beihefte zum Botanischen Centralblatt, 15(1): 1-30, pl. 1. [details] 

basis of record Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online at http://helcom.fi/Lists/Publications/BSEP95.pdf [details] Available for editors  PDF available [request]

additional source Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19., available online at http://researcharchive.calacademy.org/research/diatoms/names/index.asp [details] 

additional source Round, F.E.; Crawford, R.M.; Mann, D.G. (1990). The diatoms: biology and morphology of the genera. Cambridge University Press: London, UK. ISBN 0-521-363187. 747 pp. (look up in IMIS) [details] 
Published in AlgaeBase Logo AlgaeBase 
To Catalogue of Diatom Names (CAS) 
To European Nucleotide Archive, ENA (Placoneis) 
To Genbank 
To ITIS
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