plural noun
Pro·to·as·ca·les | \ˌprōt(ˌ)ōəˈskā(ˌ)lēz\

Definition of Protoascales 

in some classifications

: an order of fungi coextensive with the subclass Hemiascomycetes

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History and Etymology for Protoascales

New Latin, from prot- + asc- + -ales

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