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Description of Neogregarinorida

Gregarines in which merogony is present in the life cycle along with gamogony and sporogony; probably evolved from the Eugregarinorida because some species have eugregarine characters such as an epimerite and division into a protomerite and deutomerite in the trophozoite as well as a gametocyst dehiscent by one sporoduct; merogony as part of the life cycle separates them from the Eugregarinorida; also resemble coccidia because: 1) a conoidal complex is present through a major portion of their life cycles and a mucron is formed from eversion of the conoidal complex as in the eugregarines, and 2) there is merogony by budding from the meront cell surface as in the coccidia; gamonts join in head-to-head syzygy (i.e., the conoidal complexes face each other); all species in arthropods, either in malpighian tubules, intestines, hypodermis, hemocoels, or fat bodies.

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