| Noun | 1. | order Chytridiales - simple aquatic fungi mostly saprophytic but some parasitic on higher plants or animals or fresh water fungi; sometimes placed in class Oomycetes fungus order - the order of fungi Chytridiomycetes, class Chytridiomycetes - a class of mostly aquatic fungi; saprophytic or parasitic on algae or fungi or plants Chytridiaceae, family Chytridiaceae - a family of aquatic fungi of order Chytridiales family Synchytriaceae, Synchytriaceae - a fungus family of order Chytridiales |