Craticula Explained

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.^{[1] [2] [3]} In addition to frustule morphology the genus differs from closely related species by its sexual reproduction and movement in response to light.^[4]

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

Further reading

• Morales. Eduardo A.. Le. My. 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. February 2005. 154. 1. 155–161. 10.1635/0097-3157(2004)154[0155:TTOTDL]2.0.CO;2. 86249491 . 0097-3157.
• Morales. Eduardo. Wetzel. Carlos. Rivera. Sinziana. Craticula strelnikoviana sp. nov. and Craticula guaykuruorum sp. nov. (Bacillariophyta) from South American saline lakes. Nova Hedwigia, Beihefte. 2014. 143. 223–237. 10.1127/1438-9134/2014/010. 31 January 2024. 1438-9134. 978-3-443-51065-7.
• Soultanpour-Gargari. Ali. Lodenius. Martin. Hinz. Friedel. Epilithic diatoms (Bacillariophycae) from streams in Ramsar, Iran. Acta Botanica Croatica. July 2011. 70. 2. 167–190. 10.2478/v10184-010-0006-5. 82765999. free.

Notes and References

1. Brooke . C. . Riding . R. . 2000 . Graticula and its derivatives, replacement name for the alga Craticula Brooke . . 33 . 2 . 82 . 10.1080/00241160050150203.
2. Book: Round, F.E.E. D. G. Mann. R. M. Crawford. Diatoms: Biology and Morphology of the Genera. 594–595. Cambridge University Press. 1990. 9780521363181.
3. Book: Wehr, John D.. Robert G. Sheath. Freshwater Algae of North America: Ecology and Classification. 647. 2002. Elsevier Science & Technology Books. 9780127415505.
4. Book: Häder, Donat-Peter. Michael Lebert. Photomovement. 2001. Elsevier Science & Technology Books. 9780444507068.
5. http://www.algaebase.org/search/genus/detail/?genus_id=N3b877d8e23b7d6d4&-session=abv4:5A60936318f4729AF0iK6C0E4340 Craticula at algaebase.org