Domain Eukaryota Class Conoidasida Order Eugregarinorida Rank Superfamily | Phylum Apicomplexa Subclass Gregarinasina Suborder Septatorina | |
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Stylocephaloidea is a superfamily of parasites of the phylum Apicomplexia
Contents
Taxonomy
There are eleven families in this taxon.
History
This superfamily was created by Levine in 1984. Its description was emmended by Clopton in 2009.
It was previous designated Solitaricae by Chakravarty in 1960.
Description
Species in superfamily infect only a single host during their life cycle.
The trophozoites are solitary and may develop either intracellularly or extracellularly.
The epimerite varies in its structure between species.
The gametocysts may or may not have sporoducts. They have a hyaline epicyst.
Oocysts are released in a vary of ways depending on the species:
Differential diagnosis
This superfamily is distinguished by the Porosporidae by only having one host in the life cycle.
It is distinguished from the Gregarinicae by the lack of formation of association between the parasites before gametocyst formation. Members of the Gregarinicae typically form associations before they mature. This occurs some time before the onset of syzygy.