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Actinoptychus undulatus J.W.Bailey ex Hustedt, 1927

666434 (urn:lsid:marinespecies.org:taxname:666434)

  1. Biota
  2. Chromista (Kingdom)
  3. Heterokontophyta (Phylum)
  4. Bacillariophytina (Subphylum)
  5. Bacillariophyceae (Class)
  6. Coscinodiscophycidae (Subclass)
  7. Coscinodiscanae (Superorder)
  8. Coscinodiscales (Order)
  9. Heliopeltaceae (Family)
  10. Actinoptychus (Genus)
  11. Actinoptychus undulatus (Species)
uncertain > unassessed
Actinocyclus undulatus J.W.Bailey, 1842
Species
Actinoptychus C.G. Ehrenberg, 1843

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Children Display

  1. Forma Actinoptychus undulatus f. sexappendiculata Grunow in Van Heurck, 1883
  2. Forma Actinoptychus undulatus f. catenata Smayda, 1963 (uncertain > unassessed)
  3. Forma Actinoptychus undulatus f. debya Meunier, 1915 (uncertain > unassessed)
  4. Forma Actinoptychus undulatus f. maxima Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  5. Forma Actinoptychus undulatus f. microsticta Grunow in Van Heurck, 1883 (uncertain > unassessed)
  6. Forma Actinoptychus undulatus f. minor Frenguelli, 1930 (uncertain > unassessed)
  7. Forma Actinoptychus undulatus f. minor Jousé, 1959 (uncertain > unassessed)
  8. Forma Actinoptychus undulatus f. minor Zanon, 1933 (uncertain > unassessed)
  9. Forma Actinoptychus undulatus f. miocenicus Jousé, 1959 (uncertain > unassessed)
  10. Forma Actinoptychus undulatus f. oceanicus Jousé, 1957 (uncertain > unassessed)
  11. Forma Actinoptychus undulatus f. octoplicata Cleve-Euler in Cleve-Euler & Hessland, 1948 (uncertain > unassessed)
  12. Forma Actinoptychus undulatus f. octoplicata (A. Cleve) A. Cleve-Euler, 1951 accepted as Actinoptychus undulatus f. octoplicata Cleve-Euler in Cleve-Euler & Hessland, 1948 (uncertain > unassessed)
  13. Forma Actinoptychus undulatus f. parallelistriata Forti, 1913 (uncertain > unassessed)
  14. Forma Actinoptychus undulatus f. parva Tempère & Peragallo, 1908 (uncertain > unassessed)
  15. Forma Actinoptychus undulatus f. quaternata Frenguelli, 1924 (uncertain > unassessed)
  16. Forma Actinoptychus undulatus f. sexappendiculata (Grunow in Van Heurck) Cleve-Euler, 1951 accepted as Actinoptychus undulatus f. sexappendiculata Grunow in Van Heurck, 1883 (uncertain > unassessed)
  17. Forma Actinoptychus undulatus f. ternata Frenguelli, 1924 (uncertain > unassessed)
  18. Forma Actinoptychus undulatus f. typicus Cleve-Euler, 1951 (uncertain > unassessed)
  19. Forma Actinoptychus undulatus f. undulatus (Kützing) Ralfs in Pritchard, 1861 accepted as Actinocyclus undulatus Kützing, 1844 (uncertain > unassessed)
  20. Variety Actinoptychus undulatus var. barbadensis Schmidt in Schmidt et al., 1874 (uncertain > unassessed)
  21. Variety Actinoptychus undulatus var. catenata Smayda, 1966 (uncertain > unassessed)
  22. Variety Actinoptychus undulatus var. compressa Tempère & H. Peragallo, 1908 (uncertain > unassessed)
  23. Variety Actinoptychus undulatus var. confusus VanLandingham, 1967 (uncertain > unassessed)
  24. Variety Actinoptychus undulatus var. constrictus Grove & Sturt, 1887 (uncertain > unassessed)
  25. Variety Actinoptychus undulatus var. crenulatus Wolle, 1890 (uncertain > unassessed)
  26. Variety Actinoptychus undulatus var. denarius (Ehrenberg) Grunow, 1867 accepted as Actinoptychus denarius Ehrenberg, 1843 (uncertain > unassessed)
  27. Variety Actinoptychus undulatus var. duodenarius (Ehrenberg) Grunow, 1867 accepted as Actinocyclus duodenarius (Ehrenberg) W. Smith, 1856 (uncertain > unassessed)
  28. Variety Actinoptychus undulatus var. erosa Tempère & Peragallo, 1911 (uncertain > unassessed)
  29. Variety Actinoptychus undulatus var. inaequisculpta Forti, 1913 (uncertain > unassessed)
  30. Variety Actinoptychus undulatus var. labyrinthiformis Forti, 1913 (uncertain > unassessed)
  31. Variety Actinoptychus undulatus var. labyrinthyformis Forti in Tempère & Peragallo, 1912 (uncertain > unassessed)
  32. Variety Actinoptychus undulatus var. minor Cleve-Euler, 1941 (uncertain > unassessed)
  33. Variety Actinoptychus undulatus var. minor Tempère & H. Peragallo, 1909 (uncertain > unassessed)
  34. Variety Actinoptychus undulatus var. montereyi ‘A. Schmidt' M. Peragallo, 1897 (uncertain > unassessed)
  35. Variety Actinoptychus undulatus var. octonarius (Ehrenberg) Grunow, 1867 accepted as Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (uncertain > unassessed)
  36. Variety Actinoptychus undulatus var. senarius (Ehrenberg) Grunow, 1867 accepted as Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (uncertain > unassessed)
  37. Variety Actinoptychus undulatus var. spinosus Jousé, 1960 (uncertain > unassessed)
  38. Variety Actinoptychus undulatus var. subtilis Pantocsek, 1889 (uncertain > unassessed)
  39. Variety Actinoptychus undulatus var. tamanica Jousé in Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  40. Variety Actinoptychus undulatus var. tamanicus Jousé in Proshkina-Lavrenko, 1949 (uncertain > unassessed)
  41. Variety Actinoptychus undulatus var. turgida Tempère & Brun in Schmidt et al., 1890 (uncertain > unassessed)
  42. Variety Actinoptychus undulatus var. verrucosa Chase in Walker & Chase, 1886 (uncertain > unassessed)
marine, fresh, terrestrial
Not documented
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. Actinoptychus undulatus J.W.Bailey ex Hustedt, 1927. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=666434 on 2026-10-11
Date
action
by
2017-03-10 07:08:08Z
created
Kociolek, John Patrick
2017-03-16 12:51:51Z
changed
db_admin
2018-01-31 09:33:29Z
changed
db_admin
2018-02-01 09:09:54Z
changed
db_admin

context source (RAS) Australian Antarctic Data Centre. , available online at https://data.aad.gov.au/aadc/biodiversity/ [details] 

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] 

new combination reference Hanna, G D. (1932). The Diatoms of Sharktooth Hill, Kern County, California. Proceedings of the California Academy of Sciences, 20(6): 161-263, plates 2-18
page(s): p. 172 [details] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
To Biodiversity Heritage Library (181 publications) 
To Catalogue of Diatom Names (CAS) 
To European Nucleotide Archive, ENA (Actinoptychus undulatus) 
To ITIS
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