- Cnidosporidia, subclass Cnidosporidia - single-host parasites of lower vertebrates and invertebrates
--1 is a kind of class
--1 is a member of Sporozoa, class Sporozoa
--1 has members:Actinomyxidia, order Actinomyxidia; Mycrosporidia, order Mycrosporidia; Myxosporidia, order Myxosporidia