All are sexual spores except (DNB Dec 2009)
a. Sporangiospore is an asexual spore. It develops in a sac like structure called sporangium which are present on a specialized hyphae called sporangiophore.
b. Fungi are classified into phylums on the basis of sexual spores-zygomycetes (zygospores), ascomycetes (ascospores) and basidiomycetes (Basidiospores).