Article · Wikipedia archive · Last revised Jul 9, 2026

Craticula

Craticula is a genus of diatom that lies on or in the top layers of sediments in the freshwater to brackish water environments it inhabits. In addition to frustule morphology the genus differs from closely related species by its sexual reproduction and movement in response to light.

Last revised
Jul 9, 2026
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≈ 3 min
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Craticula
Craticula sp.
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Sar
Clade: Stramenopiles
Division: Ochrophyta
Clade: Bacillariophyta
Class: Bacillariophyceae
Order: Mastogloiales
Family: Stauroneidaceae
Genus: Craticula
Grunow, 1867
Type species
Craticula perrotettii
Grunow
Species

See text

Craticula is a genus of diatom that lies on or in the top layers of sediments in the freshwater to brackish water environments it inhabits.123 In addition to frustule morphology the genus differs from closely related species by its sexual reproduction and movement in response to light.234

Species

According to Algaebase,5 there are 62 species names and 12 intraspecific names:

  • Craticula accomoda (Hustedt) D.G.Mann
  • Craticula accomodiformis Lange-Bertalot
  • Craticula acidoclinata Lange-Bertalot & Metzeltin
  • Craticula ambigua (Ehrenberg) D.G.Mann
  • Craticula angustilancea H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula antarctica B.Van de Vijver & K.Sabbe
  • Craticula australis Van der Vijver, Kopalová & Zindarova
  • Craticula buderi (Hustedt) Lange-Bertalot
  • Craticula citroides H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula citrus (Krasske) Reichardt
  • Craticula coloradensis Edlund, D.R.L.Burge & S.A.Spaulding
  • Craticula cuspidata (Kutzing) D.G.Mann
    • Craticula cuspidata f. tenuirostris A.Cleve-Euler: Invalid
    • Craticula cuspidata var. craticula Aysel: Synonym of Craticula cuspidata (Kutzing) D.G.Mann
    • Craticula cuspidata var. heribaudii (Peragallo) E.Y.Haworth & M.G.Kelly: Synonym of Navicula cuspidata f. heribaudii (Peragallo) A.Cleve
    • Craticula cuspidata var. gracilis (M.Peragallo) Seeligmann, Maidana & Morales
    • Craticula cuspidata var. major (Meister) D.B.Czarnecki
    • Craticula cuspidata var. media (Meister) M.Aboal
  • Craticula dissociata (E.Reichardt) E.Reichardt
  • Craticula ehrenbergii Grunow
  • Craticula elkab (Otto Müller) Lange-Bertalot, Kusber & Cocquyt
  • Craticula frenguellii Metzeltin, Lange-Bertalot & García-Rodríguez
  • Craticula fumantii H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula germainii H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula glaberrima (W.West & G.S.West) B.van de Vijver, K.Kopalová, R.Zidarova & E.J.Cox
  • Craticula guatemalensis (Cleve & E.Grove) Lange-Bertalot
  • Craticula guaykuruorum C.E.Wetzel, E.A.Morales & L.Ector
  • Craticula halopannonica Lange-Bertalot
  • Craticula halophila (Grunow) D.G.Mann
    • Craticula halophila f. robusta (Hustedt) Czarnecki: Synonym of Craticula halophila (Grunow) D.G.Mann
    • Craticula halophila f. tenuirostris (Hustedt) Czarnecki
    • Craticula halophila var. subcapitata (Østrup) D.B.Czarnecki
  • Craticula halophilioides (Hustedt) Lange-Bertalot
  • Craticula hungarica Pantocsek
  • Craticula importuna (Hustedt) K.Bruder & Hinz
  • Craticula johnstoniae L.Bahls
  • Craticula lanceola H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula lange-bertalotii E.Reichardt
  • Craticula lowei Kociolek
  • Craticula megacuspidata (Carlson) Van de Vijver, Kopalová & Zidarova
  • Craticula megaloptera (Ehrenberg) Grunow
  • Craticula minusculoides (Hustedt) Lange-Bertalot
  • Craticula molesta (Krasske) Lange-Bertalot & Willmann: Synonym of Craticula zizix (VanLandingham) Guiry
  • Craticula molestiformis (Hustedt) Mayama
  • Craticula neglecta H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula nonambigua H.Lange-Bertalot; P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula obaesa Van der Vijver, Kopalová & Zindarova
  • Craticula orientalis Metzeltin, Lange-Bertalot & Nergui
  • Craticula pampeana (Frenguelli) Lange-Bertalot
  • Craticula paramolesta H.Lange-Bertalot, P.Cavacini, N.Tagliaventi & S.Alfinito
  • Craticula perrotettii Grunow
    • Craticula perrotettii var. enervis (Hustedt) B.Hartley: Synonym of Craticula perrotettii Grunow
  • Craticula petradeblockiana Van der Vijver, Kopalová & Zindarova
  • Craticula procera (Ehrenberg) Grunow
  • Craticula regigeorgiensis Zindarova, Kopálova & Van der Vijver
  • Craticula riparia (Hustedt) Lange-Bertalot
    • Craticula riparia var. mollenhaueri Lange-Bertalot
  • Craticula salsuginosa van de Vijver & Beyens
  • Craticula sardiniana L.Bahls
  • Craticula sardiniensis (Lange-Bertalot, Cavacini, Tagliaventi & Alfinito) E.Morales & M.Le
  • Craticula silviae Lange-Bertalot
  • Craticula strelnikoviana E.A.Morales, S.F.Rivera & C.E.Wetzel
  • Craticula subhalophila (Hustedt) Lange-Bertalot
  • Craticula subminuscula (Manguin) Wetzel & Ector
  • Craticula submolesta (Hustedt) Lange-Bertalot
  • Craticula subpampeana B.Van de Vijver & M.Sterken
  • Craticula sverirschopkae Lange-Bertalot
  • Craticula vixnegligenda Lange-Bertalot
  • Craticula vixvisibilis (Hustedt) Lange-Bertalot
    • Craticula vixvisibilis var. distinctior Lange-Bertalot
  • Craticula zizix (VanLandingham) Guiry
  • Craticula zizix var. subdiversa (Messikommer) Guiry
References

References

  1. Brooke, C.; Riding, R. (2000). "Graticula and its derivatives, replacement name for the alga Craticula Brooke". Lethaia. 33 (2): 82. doi:10.1080/00241160050150203.
  2. Round, F.E.E; D. G. Mann; R. M. Crawford (1990). Diatoms: Biology and Morphology of the Genera. Cambridge University Press. pp. 594–595. ISBN 9780521363181.
  3. Wehr, John D.; Robert G. Sheath (2002). Freshwater Algae of North America: Ecology and Classification. Elsevier Science & Technology Books. p. 647. ISBN 9780127415505.
  4. Häder, Donat-Peter; Michael Lebert (2001). Photomovement. Elsevier Science & Technology Books. ISBN 9780444507068.
  5. Craticula at algaebase.org
Further reading

Further reading

  • Morales, Eduardo A.; Le, My (February 2005). "The taxonomy of the diatom Lacunicula sardiniensis Lange-Bertalot, Cavacini, Tagliaventi et Alfinito and its relationship with the genus Craticula Grunow (Bacillariophyceae)". Proceedings of the Academy of Natural Sciences of Philadelphia. 154 (1): 155–161. doi:10.1635/0097-3157(2004)154[0155:TTOTDL]2.0.CO;2. ISSN 0097-3157. S2CID 86249491.