What are the hypernyms for Class cryptophyceae?
A hypernym is a word with a broad meaning that encompasses more specific words called hyponyms.
Other hypernyms:
Empire (Protozoa), Kingdom (Eukaryota), Phylum (Heterokontophyta), Subkingdom (Heterokonta), Subphylum (Ochrophyta), Supergroup (Chromalveolates), any group at the higher level of biological classification.