Class of Ascomycetes that comprises of naked asci is

The class of Ascomycetes that comprises naked asci is Saccharomycetes.
Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as sac fungi or ascomycetes.
Naked asci occur in simple ascomycetes, asci are produced on the organism's surface. Saccharomycetes is a subdivision of the division Ascomycota in the kingdom Fungi. It comprises most of the ascomycete yeasts.