四环藻属

四环藻属（学名：Tetracyclus）是平板藻科下的一个属。 本属包括以下物种： Tetracyclus arceli D.M.Williams, G.K.Khursevich & R.J.Flower, 2006 Tetracyclus baicalensis Meyer, 1950 Tetracyclus boryanus Tetracyclus braunii Grunow, 1862 Tetracyclus calceus K.E.Lohman, 1957 Tetracyclus castellum (Ehrenberg) Grunow, 1862 Tetracyclus celatom Okuno, 1958 Tetracyclus chankaicus Y.Dubrovina, M.Usoltseva, V.Pushkar & O.Likhacheva, 2013 Tetracyclus chudjakovii Pushkar, 1983 Tetracyclus circularis Jousé, 1952 Tetracyclus circularis K.E.Lohman, 1957 Tetracyclus circulus Jousé, 1952 Tetracyclus clypeus (Ehrenberg) Li, 1982 Tetracyclus constrictus M.Peragallo, 1912 Tetracyclus costellatus Tetracyclus cruciformis Andrews, 1970 Tetracyclus decoratus Brun & Héribaud, 1893 Tetracyclus dunhuanensis Li, 1984 Tetracyclus duplus K.E.Lohman, 1957 Tetracyclus eckhardti (Ehrenberg) Hustedt, 1914 Tetracyclus elegans Tetracyclus ellipticus (Ehrenberg) Grunow, 1862 Tetracyclus emarginatus (Ehrenberg) W.Smith, 1856 Tetracyclus floriformis Tscheremissionva, 1971 Tetracyclus glans (Ehrenberg) Mills, 1935 Tetracyclus hinziae Bishop & Spaulding, 2015 Tetracyclus horus K.E.Lohman, 1957 Tetracyclus irregularis K.E.Lohman, 1957 Tetracyclus islandicus Østrup, 1900 Tetracyclus jaoi Li, 1984 爪哇四环藻 Tetracyclus javanicus Hustedt, 1931 Tetracyclus jiayingii D.M.Williams, 2008 Tetracyclus jimboi (Pantocsek) Jousé, 1952 金斯顿四环藻 Tetracyclus kingstonii D.M.Williams, 2008 Tetracyclus krasskei D.M.Williams, 2014 湖沼四环藻 Tetracyclus lacustris Ralfs, 1843 Tetracyclus lamina Tetracyclus lapponicus Tynni, 1982 Tetracyclus lata (Hustedt) Williams, 1996 Tetracyclus lewisianus Østrup, 1910 Tetracyclus libyca (Ehrenberg & Ehrenberg) Tetracyclus major 大四环藻 Tetracyclus maxima Williams, 1996 Tetracyclus maximumcostata D.M.Williams, G.K.Khursevich & R.J.Flower, 2006 小四环藻 Tetracyclus minutus J.Y.Li Tetracyclus mucronatus J.Y.Li Tetracyclus navicularis Li, 1984 Tetracyclus ovaliformis Li, 1984 Tetracyclus pagesi Héribaud, 1902 Tetracyclus parallelus K.E.Lohman, 1957 Tetracyclus peragalli Héribaud-Joseph Tetracyclus pseudocastellum D.M.Williams, 1997 Tetracyclus quadrus K.E.Lohman, 1957 Tetracyclus radiatus K.E.Lohman, 1957 Tetracyclus radius M.Saito-Kato, T.Hayashi & Y.Tanimura, 2011 Tetracyclus rhombus (Ehrenberg) Ralfs Tetracyclus rostratus Hustedt, 1913 Tetracyclus rupestris (Kützing) Grunow, 1881 Tetracyclus shanduensis Li, 1984 中华四环藻 Tetracyclus sinensis Li, 1984 Tetracyclus stellare Tetracyclus stellaris Tetracyclus stelloides Tetracyclus subclypeus Li & Williams, 1990 Tetracyclus subdivisium L. Tetracyclus subrostrata D.M.Williams, 2008 Tetracyclus tripartitus Tetracyclus tscheremissinovae D.M.Williams & G.Reid, 2002 Tetracyclus virginicus K.E.Lohman, 1957 Tetracyclus J.Ralfs, 1843. GBIF. [2022-06-15]. （原始内容存档于2022-06-15）.  J.P. Kociolek, D.M. Williams & A. Danz (2022) Taxonomy and Valve Ultrastructure of New and Interesting Freshwater Fossil Diatoms (Bacillariophyta) of Miocene age from the Espanola Formation of New Mexico, USA. I. Ontogeny of Tetracyclus stelloides sp. nov., with Comments on ‘Accepted Names’ and Hustedt's Concepts of ‘Convergence’ and ‘Miserable Forms’, Diatom Research, 37:2, 107-117, DOI: 10.1080/0269249X.2022.2087742