# Diploneis

Diploneis is a genus of diatoms belonging to the family Diploneidaceae.
The genus has cosmopolitan distribution.

## Species

According to the GBIF, there are over 400 species.
* Diploneis abscondita Lange
* Diploneis aculeata Anisimova, 1951
* Diploneis adeliae Manguin, 1960
* Diploneis adiaphana Schrader, 1969
* Diploneis advena (A.Schmidt) Cleve, 1894 (4)
* Diploneis aequorea H.Heiden, 1928
* Diploneis aestica
* Diploneis aestiva (Donkin) Cleve, 1894 (5)
* Diploneis aestuari Hustedt, 1939
* Diploneis aethiopum Ehrenberg, 1854
* Diploneis africana H.Heiden, 1928
* Diploneis alpina Meister, 1912 (4)
* Diploneis altana Kulikovskiy & Lange-Bertalot, 2015
* Diploneis amicula Kulikovskiy & Lange-Bertalot, 2015
* Diploneis amphisbaena Manicharova, 1950
* Diploneis andama Kulikovskiy & Lange-Bertalot, 2015
* Diploneis andina Frenguelli, 1942
* Diploneis antiqua Cleve-Euler, 1953
* Diploneis aokiensis M.Idei, 2013
* Diploneis apis (Kützing) F.W.Mills, 1934
* Diploneis arctica Cleve, 1898
* Diploneis areolata Cleve, 1894
* Diploneis baicalensis Skvortzov & Meyer, 1928 (15)
* Diploneis baicaloculata Kulikovskiy & Lange-Bertalot, 2015
* Diploneis baicaloparma Kulikovskiy & Lange-Bertalot, 2015
* Diploneis baicalpetersenii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis balcanica N.G.Ognjanova-Rumenova & K.Buczkó, 2010
* Diploneis barbatula Skvortzov, 2012
* Diploneis biremiformis S.J.M.Droop, 1998
* Diploneis biseriata Cleve, 1894 (4)
* Diploneis boldtiana Cleve, 1891 (7)
* Diploneis bombiformis Cleve, 1894
* Diploneis bombus (Ehrenberg) Ehrenberg, 1853 (8)
* Diploneis borostelekiana Pantocsek, 1908
* Diploneis burgitensis Prudent, 1905 (2)
* Diploneis buriatica Kulikovskiy & Lange-Bertalot, 2015
* Diploneis caffra (Gifen) Witkowski
* Diploneis calcilacustris Lange
* Diploneis californica Stancheva & Manoylov, 2018
* Diploneis cerebrum Pennesi, Caputo & Lobban, 2017
* Diploneis chersonensis (Grunow) Cleve, 1894 (6)
* Diploneis chersonensis Grove
* Diploneis chinensis Cleve, 1894
* Diploneis claustra Lobban & Pennesi, 2017
* Diploneis clepsydra Cleve, 1894
* Diploneis clevei Fontell, 1917
* Diploneis coffaeiformis (Schmidt) Cleve, 1894 (4)
* Diploneis colae S.J.M.Droop, 1998
* Diploneis conopeata Kulikovskiy & Lange-Bertalot, 2015
* Diploneis conops Ehrenberg, 1854
* Diploneis constantinii (Skvortzov) Skabichevskij, 1950
* Diploneis contraversa (Mann) F.W.Mills, 1934
* Diploneis costata Skvortzov, 2012
* Diploneis crassa Missuna, 1914
* Diploneis crassibiseriata Kulikovskiy & Lange-Bertalot, 2015
* Diploneis craticula Pennesi, Caputo & Lobban, 2017
* Diploneis crispa Pennesi, Caputo & Lobban, 2017
* Diploneis curiosa Metzeltin, Lange-Bertalot & Nergui, 2009
* Diploneis czekehazensis (Pantocsek) F.W.Mills, 1934
* Diploneis decipiens A.Cleve, 1915 (5)
* Diploneis densestriata (Schmidt) Boyer, 1927
* Diploneis densistriata (Schmidt) F.W.Mills, 1934
* Diploneis didelta Ehrenberg
* Diploneis didyma (Ehrenb.) Cleve
* Diploneis dilatata (M.Peragallo) Lange
* Diploneis dimorpha Hustedt, 1959
* Diploneis diplosticata (Grunow) Hustedt
* Diploneis dirhombus (Schmidt) F.W.Mills, 1934
* Diploneis disturbata Jurilj, 1957
* Diploneis doczyi (Pantocsek)
* Diploneis dombilitensis (2)
* Diploneis duplopunctata Fontell, 1917
* Diploneis elfvingiana Fontell, 1917 (2)
* Diploneis elliptica (Kützing) Cleve, 1894 (22)
* Diploneis ellipticolinearis Kulikovskiy & Lange-Bertalot, 2015
* Diploneis esthereia Hajós
* Diploneis excentrica Boyer, 1916
* Diploneis eximia Metzeltin, Lange-Bertalot & Nergui, 2009
* Diploneis faba Ehrenberg, 1845
* Diploneis fenestrata J.C.Taylor & B.Karthick, 2014
* Diploneis finica (2)
* Diploneis finnicoburyatica Lange-Bertalot & Kulikovskiy, 2015
* Diploneis fontanella Lange-Bertalot, 2004
* Diploneis fontium Reichardt & Lange-Bertalot, 2004
* Diploneis formica H.Okuno, 1952
* Diploneis ganga Kulikovskiy & Lange-Bertalot, 2015
* Diploneis gemmata Ehrenberg, 1856
* Diploneis glabra Østrup, 1918
* Diploneis goohon Kulikovskiy & Lange-Bertalot, 2015
* Diploneis gorjanovici (4)
* Diploneis gracilis Ehrenberg, 1873
* Diploneis gravelleana Hagelstein, 1939
* Diploneis hannai Frenguelli, 1934
* Diploneis haploa Schrader, 1969
* Diploneis heemskerkiana (Brockmann) S.J.M.Droop, 1996
* Diploneis heisingeriae Jurilj, 1954
* Diploneis heteromorphiforma Metzeltin, Lange-Bertalot & Nergui, 2009
* Diploneis hinziae Lange
* Diploneis hormopunctata Hohn & Hellerman, 1966
* Diploneis hospes A.Schmidt
* Diploneis hustedtii Meister, 1934
* Diploneis hyalina Ehrenberg, 1845 (2)
* Diploneis ideii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis imperalis Ehrenberg, 1845
* Diploneis implicatus Pomazkina, Rodionova & Sherbakova, 2019
* Diploneis inaequalis Østrup, 1918
* Diploneis infernalis Lange-Bertalot & K.Krammer, 2007
* Diploneis inscripta Cleve, 1894 (2)
* Diploneis insolitus Hohn & Hellerman, 1966
* Diploneis jasnitskii Skabichevskii, 1936
* Diploneis kahlii H.Lange-Bertalot & Rumrich, 2000
* Diploneis kawabatae Gerd Moser, 1998
* Diploneis konstantini Skabichevskii, 1952
* Diploneis krammeri Lange-Bertalot & E.Reichardt, 2000
* Diploneis lacuslemanii Brun, 1895 (2)
* Diploneis lacustris Rodionova, Pomazkina & Sherbakova, 2019
* Diploneis ladogensis P.T.Cleve, 1891
* Diploneis lata Skvortzow, 1937 (3)
* Diploneis late-elliptica Skabichevskii, 1936
* Diploneis lenzii Krasske, 1939
* Diploneis lesinensis Cleve, 1894
* Diploneis letourneuri Cleve, 1894
* Diploneis levicostata Jousé, 1934
* Diploneis lianjiangensis Chin & Lin, 1979
* Diploneis lijingensis C.Huang
* Diploneis linearielliptica D.Metzeltin, H.Lange-Bertalot & S.Nergui, 2009
* Diploneis linearifera M.Idei, 2013
* Diploneis linearis Otto Müller, 1909 (2)
* Diploneis littoralis (Donkin) Cleve, 1894 (5)
* Diploneis lulensis Cleve-Euler, 1953
* Diploneis lusatica Lange
* Diploneis maeandra Cleve-Euler, 1922
* Diploneis major Cleve, 1894 (3)
* Diploneis manguinii Fusey, 1948
* Diploneis marginata Schmidt, 1874 (4)
* Diploneis marginestriata Hustedt, 1922 (3)
* Diploneis mawsmaii Bhatt & B.Karthick, 2020
* Diploneis mesolia Ehrenberg, 1872
* Diploneis metzeltinii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis meyeri Skabichevskii, 1936
* Diploneis minima Hustedt, 1956
* Diploneis minuta J.B.Petersen, 1928 (2)
* Diploneis mirabilis König, 1959
* Diploneis modica Hustedt, 1945
* Diploneis modicahassiaca Lange
* Diploneis modicella Cholnoky, 1963
* Diploneis mongolica Metzeltin, Lange-Bertalot & Nergui, 2009
* Diploneis monodi Guermeur, 1954
* Diploneis munge Kulikovskiy & Lange-Bertalot, 2015
* Diploneis musciformis Meyer, 1938
* Diploneis nanofontanella Lange
* Diploneis nanometzeltinii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis natalensis Cholnoky, 1956
* Diploneis navicans (Brun) F.W.Mills, 1934
* Diploneis nitescenes Gregory
* Diploneis nitidula Brun, 1901
* Diploneis nonelliptica Kulikovskiy & Lange-Bertalot, 2015
* Diploneis notata Østrup, 1918
* Diploneis oamaruensis (Cleve) Mills, 1934
* Diploneis oblongella (Nägeli) R.Ross
* Diploneis oblongellopsis Lange
* Diploneis obtusa Kulikovskiy & Lange-Bertalot, 2015
* Diploneis ocellata Cleve, 1892
* Diploneis ocellata Østrup, 1904
* Diploneis oestrupii Hustedt, 1937
* Diploneis okhapkinii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis olandica A.Cleve, 1953
* Diploneis ordines Kulikovskiy & Lange-Bertalot, 2015
* Diploneis ornamentalis Salah, 1967
* Diploneis ornata Hajós, 1971
* Diploneis ostrobottnica Cleve-Euler, 1939 (3)
* Diploneis ovalis H.Lange-Bertalot
* Diploneis pantocsekii Cleve-Euler, 1953
* Diploneis papula (A.W.F.Schmidt) Cleve, 1894 (1)
* Diploneis parabudayana E.Jovanovska, T.Nakov & Z.Levkov, 2013
* Diploneis parahinziae Lange
* Diploneis parallelus Loseva, 1982
* Diploneis paramarginestriata Kulikovskiy & Lange-Bertalot, 2015
* Diploneis parauschkaniensis Kulikovskiy & Lange-Bertalot, 2015
* Diploneis parma Cleve, 1891 (4)
* Diploneis patagonica Otto Müller, 1909
* Diploneis pearsalli Salah, 1955
* Diploneis perforata Jurilj, 1957
* Diploneis peterseni Hustedt, 1937
* Diploneis pinquis F.W.Mills, 1934
* Diploneis platessa Cleve & Grove, 1894
* Diploneis pneumatica S.J.M.Droop, 1998
* Diploneis poretzkyi Tscheremissinova, 1956
* Diploneis poroidea Jurilj, 1957
* Diploneis praerupta Goretskii, 1949
* Diploneis praesejuncta S.J.M.Droop, 1998
* Diploneis praetermissa Lange
* Diploneis prisca Jurilj, 1957 (2)
* Diploneis proserpinae Ehrenberg, 1858
* Diploneis pseudaokiensis Kulikovskiy & Lange-Bertalot, 2015
* Diploneis pseudobombiformis Hustedt, 1937
* Diploneis pseudomeyeri Kulikovskiy & Lange-Bertalot, 2015
* Diploneis pseudopetersenii Cholnoky, 1963
* Diploneis pseudovalis Hustedt, 1930 (2)
* Diploneis puellafallax Lange
* Diploneis puelloides Fusey, 1950
* Diploneis pulchella Kisselev, 1931
* Diploneis pulcherrima Hustedt, 1938
* Diploneis pulchra E.Jovanovska, T.Nakov & Z.Levkov, 2013
* Diploneis pullus Ehrenberg, 1872
* Diploneis pumicosus Sherbakova, Pomazkina & Rodionova, 2019
* Diploneis pupula Mereschkowsky, 1903
* Diploneis pygmaea Mayer, 1913
* Diploneis quasispinulosa Kulikovskiy & Lange-Bertalot, 2015
* Diploneis rauhialensis Sheshukova-Poretskaya, 1955
* Diploneis reticulata Jurilj, 1957
* Diploneis rex S.J.M.Droop, 1996
* Diploneis rhombica Skabichevskii, 1936
* Diploneis rhombus Ehrenberg, 1856
* Diploneis rimosa Pennesi & Caputo, 2017
* Diploneis robustus Subrahmanyan, 1946
* Diploneis rostrata Wood, 1961
* Diploneis rotunda E.Jovanovska, T.Nakov & Z.Levkov, 2013
* Diploneis rouhialensis Brander, 1943
* Diploneis rouxioides Schrader, 1969
* Diploneis rupestris Skvortzow, 1938 (2)
* Diploneis schmidtii Cleve, 1894
* Diploneis seperanda Lange-Bertalot, 2004
* Diploneis sharbin Kulikovskiy & Lange-Bertalot, 2015
* Diploneis skvortzovii Skabichevskii, 1936
* Diploneis smithi (5)
* Diploneis solea S.J.M.Droop, 1998
* Diploneis sooi Hajós, 1973
* Diploneis spectabilis D.Metzeltin, H.Lange-Bertalot & S.Nergui, 2009
* Diploneis stagnarum Prudent, 1906
* Diploneis stauroneiformis Hendey, 1971
* Diploneis stephen-droopii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis stigmosa Heiden & Kolbe, 1928
* Diploneis stroemi Hustedt, 1937
* Diploneis subadvena Hustedt, 1937
* Diploneis subbaicalensis Kulikovskiy & Lange-Bertalot, 2015
* Diploneis submeyeri Kulikovskiy & Lange-Bertalot, 2015
* Diploneis suborbicularis (W.Gregory) Cleve, 1894 (10)
* Diploneis suboricularis (Gregory) Cleve
* Diploneis subovalis Cleve, 1894 (13)
* Diploneis subrhombica Cleve-Euler, 1922
* Diploneis subsmithii Gandhi, 1966
* Diploneis sudamericana Vouilloud & Sala, 2018
* Diploneis suezii Salah & Tamas, 1968
* Diploneis taiga Kulikovskiy & Lange-Bertalot, 2015
* Diploneis taschenbergeri (Schmidt) Hustedt, 1937
* Diploneis tavcarii Jurilj, 1954
* Diploneis tenuibipunctata Kulikovskiy & Lange-Bertalot, 2015
* Diploneis tirolensis Lange
* Diploneis toli Kulikovskiy & Lange-Bertalot, 2015
* Diploneis totarae Schrader, 1969
* Diploneis transylvanica E.Jovanovska et al., 2014
* Diploneis tugelae Cholnoky, 1957
* Diploneis tundra Lange
* Diploneis turgida Skvortzow, 1937 (2)
* Diploneis uschkaniensis Kulikovskiy & Lange-Bertalot, 2015
* Diploneis vandermerwei B.J.Cholnoky, 1955
* Diploneis vespa Cleve, 1894
* Diploneis vetusa Jovanovska, Nakov & Levkov, 2013
* Diploneis vetusta E.Jovanovska, T.Nakov & Z.Levkov, 2013
* Diploneis voigtii Manguin ex Kociolek & Reviers, 1996
* Diploneis volsella Carter & Denny, 1987
* Diploneis weissflogiopsis Lobban & Pennesi, 2017
* Diploneis weretschaginii Kulikovskiy & Lange-Bertalot, 2015
* Diploneis wolffii Foged, 1957
* Diploneis yamanakaensis M.Idei, 2013
* Diploneis yatukaensis Horikawa & Okuno, 1944
* Diploneis zannii Frenguelli, 1933
* Diploneis zehenterii Hajós, 1977
Figures in brackets are approx. how many varieties per species.