Serpentoplasma
''Serpentoplasma'' is a genus of parasitic Alveolata, alveolates belonging the phylum Apicomplexa. The genus was described in 1962 by Pienaar. The species in this genus infect snakes. Morphology The trophozoites are small and resemble a drop of oil within the erythrocyte. References

Aconoidasida Apicomplexa genera {{Apicomplexa-stub ...
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Achromatorida
Achromatorida is an order (biology), order of non-pigmented intraerythrocytic parasitic alveolates belonging to the subclass Haemosporidiasina. The order was created by Jacques Euzéby in 1988. The taxonomy of these organisms has been one of some controversy. Weylon in 1926 grouped many of these genera into the genus ''Babesia'' - given what is now known about these genera this was probably an error. Agreement on the organisation of these genera probably cannot be regarded as being settled. Description These are minute rounded or pyriform parasites found within erythrocytes, or other circulating or endothelial cells of vertebrates. The parasites reproduce by Protozoal merogony, merogony without oocysts or spores. The apical complex has a polar ring and rhoptries. A conoid (organelle), conoid is lacking and most species lack the associated pellicular microtubules. Flagellae are lacking. The trophozoite stage is separated from erythrocyte by single membrane (in the other groups ...
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