Zygocystinae Explained

The Zygocystinae are a subfamily of parasites in the phylum Apicomplexa.

Taxonomy

There are three genera in this subfamily: Adelphocystis, Pleurocystis^[1] and Zygocystis.

History

This family was created by Bhatia in 1930.^[2]

Description

Species in this subfamily infect worms of the family Lumbricidae. In these genera syzygy occurs extremely early in the life cycle.

The oocyst is navicular or biconical and has unusual thickenings at both ends.

Notes and References

1. Ormières. R.. Deux nouvelles espèces de Grégarines parasites d'Annélides : Pleurocystis eiseniellae dEiseniella tetraedra Sav. (Oligochète), Pterospora petaloprocti de Petaloproctus terricola Quatr. (Polychète). Annales de Parasitologie Humaine et Comparée. 52. 2. 1977. 109–116. 10.1051/parasite/1977522109. free.
2. Bhatia. B. L.. Synopsis of the Genera and Classification of Haplocyte Gregarines. Parasitology. 22. 2. 1930. 156–167. 0031-1820. 10.1017/S0031182000011033. 85701216 .