Class Conjugatophyceae Engl. (1892)
see Class Zygnematophyceae Round ex Guiry (2013)
Count: [g†g] 2o;6f;79g; †6g [3 Feb 2020]
01 Order Zygnematales - filamentous conjugates and saccoderm desmids
Count: [g] 2f;26g [3 Feb 2020]
02 Order Desmidiales - placoderm desmids
Count: 4f;46g
03 Genus Astrocosmium Stockmayer (1888), incertae sedis
Count: -
04 Genus †Baccinellula Weyland (1963), incertae sedis
Count: -
05 Genus †Closterimopsis L.M. Yin & Z.P. Li (1978), incertae sedis
Count: -
06 Genus †Desmidopsis L.M. Yin & Z.P. Li (1978), incertae sedis
Count: -
07 Genus Didymidium P.F. Reinsch (1867), incertae sedis
Count: -
08 Genus †Paleospiralis incertae sedis
Count: -
09 Genus Phycastrum Kützing ex Kützing (1849), incertae sedis
Count: -
10 Genus Phycoleda Itzigs. (1854), incertae sedis
Count: -
11 Genus Polysolenia C.G. Ehrenberg ex F.T. Kützing (1849), incertae sedis
Count: -
12 Genus Schizospora P.F. Reinsch, 1874-1875, incertae sedis
Count: -
13 Genus †Spirogyrites Shukla (1950), incertae sedis
Count: -
14 Genus Spirotaenia Bréb. ex Ralfs (1848), incertae sedis
Count: -
15 Genus †Stenixys T.M.Harris (1938), incertae sedis
Count: -