The Zygocystinae are a subfamily of parasites in the phylum Apicomplexa.
Taxonomy
There are three genera in this subfamily: ''Adelphocystis'', ''Pleurocystis''
[ ] and ''Zygocystis''.
History
This family was created by Bhatia in 1930.
Description
Species in this subfamily infect worms of the family
Lumbricidae
The Lumbricidae are a family of earthworms. About 33 lumbricid species have become naturalized around the world, but the bulk of the species are in the Holarctic region: from Canada (e.g. ''Bimastos lawrenceae'' on Vancouver Island) and the Uni ...
.
In these genera syzygy occurs extremely early in the life cycle.
The
oocyst is navicular or biconical and has unusual thickenings at both ends.
References
Conoidasida
Bikont subfamilies
{{Apicomplexa-stub