Apostomatida

Apostomatida
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
Superphylum:	Alveolata
Phylum:	Ciliophora
Class:	Oligohymenophorea
Order:	Apostomatida
Families
Colliniidae Cyrtocaryidae Foettingeriidae

The Apostomatida are an order of ciliate protozoa of the class Oligohymenophorea. Individuals of the order are called apostomes. They are symbiotic with Crustacea. They are dormant and encysted on their host's exoskeleton for the majority of their life cycle.

References

• Bradbury, Phyllis C.; Trager, William (October 1967). "Excystation of apostome ciliates in relation to molting of their crustacean hosts. II. Effect of glycogen" (PDF). Biological Bulletin. 133 (2): 310–316.