1) Class 2) Class oomycetes 
A class of aquatic and terrestrial fungi (subdivision Mastigomycotina) that typically produce oogonia and zoosporangia in which form zoospores having one anteriorly-directed tinsel flagellum and one posteriorly-directed whiplash flagellum. 
Group of fungi in which the mycelium is nonseptate, i.e. Lacks cross walls and the nuclei are diploid. Sexual reproduction is oogamous. ... (18 Nov 1997) ... 
Group of fungi in which the mycelium is non-septate, ie. lacks cross-walls, and the nuclei are diploid. Sexual reproduction is oogamous.
[n] - nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores
class Oomycetes noun nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists