A fungus has aseptate, coenocytic mycelium. Its motile or non-motile asexual spores are produced inside a sporangium, an
Phycomycetes possess aseptate and coenocytic mycelium. Their asexual spores are motile zoospores or non-motile aplanospores produced endogenously in sporangia, while fusion of gametes produces a zygospore.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Fungi - Phycomycetes Ascomycetes Basidiomycetes