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Hyphochytrids are eukaryotic organisms in the group of Stramenopiles (Heterokonta).

Characteristics

They are distinguished by an anterior tinsel flagellum on their zoospores. Also they have a rhizoidal or hypha-like vegetative system (hence the prefix "Hypho-").

Classification

This group may be put alternatively at the phylum, class, subclass or order level, being referred to as Hyphochytriomycota, Hyphochytriomycetes (or Hyphochytrea), Hyphochytriomycetidae (or Hyphochytridae) and Hyphochytriales, respectively. The variants Hyphochytri''di''omycota and Hyphochytri''di''omycetes are also sometimes used, presumably by analogy to the Chytridiomycetes, or due to the perpetuation of a typographical error. However, the stem is Hyphochytri- (from ''Hyphochytrium'') and not Hyphochytridi- (from ''Chytridium''). In the past the classes Hyphochytridiomycetes, Oomycetes and Chytridiomycetes were grouped together in the now obsolete taxon Mastigomycotina as fungi with flagellate spores or gametes. Now the Chytridiomycetes are still considered true fungi, but the other two sub-groups are classified in the kingdom Protista, or in the group Stramenopiles. Hyphochytriomycetes are closely related to Oomycetes. Order Hyphochytriales Bessey 1950 ex Sparrow 1960 * Family Hyphochytriaceae Fischer 1892 ** Genus ''Canteriomyces'' Sparrow 1960 ** Genus ''Cystochytrium'' Ivimey Cook 1932 ** Genus ''Hyphochytrium'' Zopf 1884 '[[Hyphophagus''_Minden_1911.html" style="text-decoration: none;"class="mw-redirect" title="Hyphophagus.html" style="text-decoration: none;"class="mw-redirect" title="'[[Hyphophagus">'[[Hyphophagus'' Minden 1911">Hyphophagus.html" style="text-decoration: none;"class="mw-redirect" title="'[[Hyphophagus">'[[Hyphophagus'' Minden 1911* Family [[Rhizidiomycetaceae Karling ex Kirk, Cannon & David 2001 ** Genus ''[[Latrostium'' Zopf 1894 ** Genus ''[[Reessia'' Fisch 1883 ** Genus ''[[Rhizidiomyces'' Zopf 1884 '[[Rhizidiomycopsis''_Sparrow_1960.html" style="text-decoration: none;"class="mw-redirect" title="Rhizidiomycopsis.html" style="text-decoration: none;"class="mw-redirect" title="'[[Rhizidiomycopsis">'[[Rhizidiomycopsis'' Sparrow 1960">Rhizidiomycopsis.html" style="text-decoration: none;"class="mw-redirect" title="'[[Rhizidiomycopsis">'[[Rhizidiomycopsis'' Sparrow 1960

Diversity

This is a relatively small group, composed of about 16 known species, which may be due in part, to sampling methods of scientists.

See also

*''[[Hyphochytrium'' *[[Zoospore

References



Bibliography

*C.J. Alexopolous, Charles W. Mims, M. Blackwell et al., ''Introductory Mycology'', 4th ed. John Wiley and Sons, Hoboken NJ, 2004. . *

External links


"Introduction to the Fungi"
University of Hawai‘i at Mānoa Botany Department
"Hyphochytriomycota"
''Index Fungorum''. Category:Heterokont classes Category:Pseudofungi {{Heterokont-stub