Merocystis

Merocystis is a member of the coccidia vera order.
Found on http://www.probertencyclopaedia.com/browse/BM.HTM

Merocystis

Merocystis is a genus in the phylum Apicomplexa. ==History== This genus was created in 1911 by Dakin He discovered this parasite - Merocystis kathae - in the renal organ of the whelk (Buccinum undatum). Its life cycle has been studied in some detail by other workers. A second species was described - Merocystis tellinovum - by Buchanan in 1979 but ...
Found on http://en.wikipedia.org/wiki/Merocystis
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