Order Chytridiales

Family Chytridiaceae Nowak.

Genus Blyttiomyces A. F. Bartsch

• Blyttiomyces helicus Sparrow – freshwater, bogs, Vodoprovodnoye (Potable water) Lake; saprotroph on pine pollen; rare (Кузнецов, 2003).
• Blyttiomyces spinulosus (A. Blytt) A. F. Bartsch – freshwater, Verkhneye (Upper) Lake; saprotroph on, parasite on Spirogyra; sporadic (Кузнецов, 2003).

Genus Chytridium A. Braun

• Chytridium chaetophilum Scherff. – freshwater, Vodoprovodnoye (Potable water) Lake; parasite on Bulbochaete; sporadic (Кузнецов, 2003).
• Chytridium lagenarium Schenk – marine, littoral basin; planktonic; sporadic (Артемчук, 1974).
• Chytridium lagenula A. Braun – brackish-water supralittoral basin; parasite on Tribonema; sporadic (Кузнецов, 2003).
• Chytridium oedogonii Couch – freshwater, Verkhneye (Upper) Lake; parasite on Oedogonium; sporadic (Кузнецов, 2003: C. oedogonii A. Braun).
• Chytridium olla A. Braun – freshwater; parasite on Oedogonium; common, everywhere (Кузнецов, 2003).
• Chytridium polysiphoniae E. Cohn – marine, littoral; parasite on Polysiphonia; rare (Кузнецов, 2003).
• Chytridium rhizophydii Karling – soil, freshwater; parasite on Rhizophydium, rare (Кузнецов, 2003).
• Chytridium versatile Scherff. – freshwater; parasite on diatoms; rare, everywhere (Кузнецов, 2003).

Genus Chytriomyces Karling

• Chytriomyces confervae (Wille) A. Batko – freshwater bogs, Verkhneye (Upper) Lake; parasite on Tribonema; rare (Кузнецов, 2003: Chytridium confervae (Wille) Minden).
• Chytriomyces hyalinus Karling var. hyalinus – freshwater, bogs saprotroph on chitin substrate; common (Кузнецов, 2003: Chytriomyces hyalinus Karling).

Genus Cylindrochytridium Karling

• Cylindrochytridium johnstonii Karling – freshwater; saprotroph on bait; sporadic (Кузнецов, 2003).

Genus Diplochytridium Karling

• Diplochytridium citriforme (Sparrow) Karling – soil, freshwater, marine littoral; saprotroph on pine pollen; common (Кузнецов, 2003).
• Diplochytridium gibbosum (Scherff.) Karling – freshwater, brackish-water; saprotroph on pine pollen; rare (Кузнецов, 2003).
• Diplochytridium lagenaria (Schenk) Karling – freshwater, brackish-water; parasite on filamentous green algae, Xantophyceae, saprotroph on bait; common, dominant (Кузнецов, 2003).
• Diplochytridium schenkii (P. A. Dang.) Karling – freshwater, Vodoprovodnoye (Potable water) Lake; parasite on Bulbochaete; sporadic (Кузнецов, 2003).

Genus Obelidium Nowak.

• Obelidium hamatum Sparrow – freshwater, brackish-water supralittoral basins, pools; saprotroph on chitin substrate; rare (Кузнецов, 2003).
• Obelidium mucronatum Nowak. – freshwater; saprotroph on exuvia of Diptera insects; rare, everywhere (Кузнецов, 2003).

Genus Phlyctochytrium J. Schröt.

• Phlyctochytrium aestuarii Ulken – marine, littoral ground; saprotroph on bait; rare (Кузнецов, 2003).
• Phlyctochytrium africanum А. Gaertn. – soil; saprotroph on bait; rare (Кузнецов, 2003).
• Phlyctochytrium arcticum D. J. S. Barr – soil, marine littoral ground; saprotroph on bait; sporadic (Кузнецов, 2003).
• Phlyctochytrium aureliae Ajello – freshwater, brackish-water supralittoral pool; saprotroph on pine pollen; sporadic (Кузнецов, 2003).
• Phlyctochytrium irregulare W. J. Koch – freshwater pool; saprotroph on bait; sporadic (Кузнецов, 2003).
• Phlyctochytrium longicollum Sparrow – freshwater, brackish-water supralittoral pools, basins; parasite on Euglena; rare (Кузнецов, 2003).
• Phlyctochytrium cf. mucronatum Canter – freshwater, bogs; saprotroph on bait; rare (Кузнецов, 2003).
• Phlyctochytrium palustre А. Gaertn. – marine supralittoral ground; saprotroph on bait; sporadic (Кузнецов, 2003).
• Phlyctochytrium papillatum Sparrow – freshwater; saprotroph on pine pollen; rare (Кузнецов, 2003).
• Phlyctochytrium planicorne G. F. Atk. – freshwater; saprotroph on, parasite on green filamentous. algae; common, everywhere (Кузнецов, 2003).
• Phlyctochytrium proliferum Ingold – freshwater, brackish-water; parasite on Chlamydomonas; rare, everywhere (Кузнецов, 2003).
• Phlyctochytrium semiglobiferum Uebel. – soil, littoral, supralittoral; saprotroph on pine pollen; common (Кузнецов, 2003).

Genus Podochytrium Pfitzer

• Podochytrium clavatum Pfitzer – freshwater, brackish-water; parasite on diatoms; rare (Кузнецов, 2003).

Genus Polyphagus Nowak.

• Polyphagus euglenae (Bail) J. Schröt. – freshwater, brackish-water; parasite on Euglena; rare, sometimes dominant (Кузнецов, 2003: P. euglenae (Bail.) Nowak.).
• Polyphagus laevis A.F. Bartsch – brackish-water, Kislosladkoye (Sour-Sweet) Lake; parasite on Euglena; sporadic, dominant (Кузнецов, 2003).
• Polyphagus starrii Johns – freshwater pool; parasite on Chlamydomonas; sporadic (Кузнецов, 2003).

Genus Rhizidium A. Braun

• Rhizidium braunii Zopf – marine, brackish-water littoral, supralittoral basins, pools; parasite on benthic diatoms; rare (Кузнецов, 2003).
• Rhizidium chitinophilum Sparrow – freshwater; saprotroph on chitin substrate; rare, everywhere (Кузнецов, 2003).
• Rhizidium richmondense Willoughby – marine, littoral, brackish-water; saprotroph on bait; sporadic (Кузнецов, 2003).

Genus Rhizoclosmatium H. E. Petersen

• Rhizoclosmatium globosum H.E. Petersen – freshwater, brackish-water; saprotroph in exuvia of insects; common (Кузнецов, 2003).
• Rhizoclosmatium marinum Kobayasi & M. Ôkubo – marine; parasite on Chaetomorpha melagonium; common, everywhere (Кузнецов, 2003).

Genus Saccomyces Serbinow

• Saccomyces dangeardii Serbinow – freshwater supralittoral basin; parasite on Euglena; sporadic (Кузнецов, 2003).

Genus Scherffeliomyces Sparrow

• Scherffeliomyces parasitans (Sparrow) Sparrow – freshwater, Vodoprovodnoye (Potable water) Lake; parasite on Euglena; sporadic (Кузнецов, 2003).

Genus Septosperma Whiffen ex R. L. Seym.

• Septosperma rhizophydii Whiffen – freshwater; parasite on Rhizidium, Rhizophlyctis, Rhizoiphydium; common (Кузнецов, 2003).

Genus Siphonaria H. E. Petersen

• Siphonaria variabilis H.E.Petersen – brackish-water supralittoral basin; saprotroph on bait; sporadic (Кузнецов, 2003).

Family Cladochytriaceae J.Schröt.

Genus Cladochytrium Nowak.

• Cladochytrium crassum Hillegas – freshwater pool; saprotroph on bait; sporadic (Кузнецов, 2003).
• Cladochytrium cf. hyalinum Berdan – freshwater, brackish-water; saprotroph on bait; sporadic (Кузнецов, 2003).
• Cladochytrium replicatum Karling – freshwater, brackish-water; saprotroph on, parasite on Spirogyra, Batrachospermum; sporadic (Кузнецов, 2003).
• Cladochytrium taianum Shen & Siang – freshwater, bogs; saprotroph on bait; sporadic (Кузнецов, 2003).
• Cladochytrium tenue Nowak. – soil, freshwater; saprotroph on bait; common (Кузнецов, 2003).

Genus Nowakowskiella J. Schröt.

• Nowakowskiella elegans (Nowak.) J. Schröt. – soil, freshwater; saprotroph on dead plants; common, everywhere (Кузнецов, 2003).
• Nowakowskiella profusa Karling – soil; saprotroph on dead plants; rare, everywhere (Кузнецов, 2003).
• Nowakowskiella ramosа E. J. Butler – soil, freshwater; saprotroph on dead plants; common, everywhere (Кузнецов, 2003).

Family Endochytriaceae Sparrow ex D.J.S. Barr

Genus Diplophlyctis J. Schröt.

• Diplophlyctis laevis Sparrow – freshwater supralittoral pool; saprotroph on dead Cladophora; sporadic (Кузнецов, 2003).
• Diplophlyctis sarcoptoides (H. E. Petersen) Dogma – freshwater pool; saprotroph in exuvia of exuvia mosquito larvae; sporadic (Кузнецов, 2003: Asterophlyctis sarcoptoides H.E. Petersen).

Genus Endochytrium Sparrow

• Endochytrium ramosum Sparrow – freshwater, brackish-water, soil; parasite on Cladophora; rare; saprotroph on on dead filamentous. algae, on cellulose baits; common (Кузнецов, 2003).

Genus Entophlyctis A. Fisch.

• Entophlyctis confervae-glomeratae (Cienk.) Sparrow – freshwater, brackish-water; saprotroph on, parasite on Cladophora, Oedogonium, Spirogyra; common (Кузнецов, 2003).
• Entophlyctis pygmaea (Serbinow) Sparrow – freshwater, Verkhneye (Upper) Lake; parasite on Mougeotia; sporadic (Кузнецов, 2003).

Family Harpochytriaceae Wille

Genus Harpochytrium Lagerh.

• Harpochytrium hedеnii Wille – freshwater; epiphyte on Saprolegnia; rare (Кузнецов, 2003).
• Harpochytrium hyalothecae Lagerh. – freshwater; saprotroph on в слизи демидиевых algae; rare (Кузнецов, 2003: Fulminaria mucophila Gobi).

Family Synchytriaceae J. Schröt.

Genus Endodesmidium Canter

• Endodesmidium formosum Canter – freshwater, bogs; parasite on Zygnematales, Desmids; rare, everywhere (Кузнецов, 2003: Endodesmium formosum Canter).

Genus Micromyces P. A. Dang.

• Micromyces mirabilis (Canter) Sparrow – freshwater, bogs; parasite on Closterium; rare (Кузнецов, 2003).
• Micromyces zygogonii P.A. Dang. – freshwater, supralittoral; parasite on filamentous green algae; rare (Кузнецов, 2003).

Genus Synchytrium de Bary & Woronin

• Synchytrium aureum J. Schröt. – coastal; parasite on flowering plants. (Кузнецов, 2003).
• Synchytrium phegopteridis Juel – coastal; parasite on fern Phegopteris; rare (Кузнецов, 2003).

Incertae sedis in order Chytridiales

Genus Achlyogeton Schenk

• Achlyogeton entophytum Schenk – freshwater, supralittoral; parasite on Cladophora; sporadic (Кузнецов, 2003).

rus:Порядок Chytridiales