-oidea

-oidea

suffix forming plural proper nouns
forming the names of zoological classes or superfamilies: Crinoidea; Canoidea.
[from New Latin, from Latin -oīdēs -oid]

-oidea

a suffix used in the names of zoological classes or entomological superfamilies.
[< New Latin, pl. of Greek -oeidēs -oid; see -a1]