Basidiomycetes: Club fungi, in sexual reproduction phase secondary mycelium become club shaped mycelia. EX: Puff ball, Amanita
Oomycetes: Mastigomycotina, Sexual reproduction phase-Isogamous/Oogamous.The mode of sexual fusion is gametangial contact. EX: Pythium, Albugo
Ascomycetes: Sac fungi, secondary mycelium become sac like, Conidia are borne on conidiophores EX: Yeast, truffles, Neurospora
Deuteromycetes: Imperfect fungi, Sexual reproduction phase is unknown. As the sexual repd. is found out it is shifted to respective above mentioned class