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Affixes

-ida

Also ‑idan.

Taxonomic groups.

Latin, the neuter plural of ‑idēs, offspring of, from Greek.

Examples occur in both botany (Bryopsida, the class of the true mosses; Candida, a genus of yeast that can cause thrush) and zoology (Arachnida, the class containing the spiders, mites and related species; Pentastomida, a class of worms that are parasites of the respiratory tract of vertebrates). Adjectives are formed in ‑idan (arachnidan).

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