anthemosoma anthemosoma anthemosoma is a genus of parasites of the phylum apicomplexa. there is only one species recognised in this genus - a parasite of mammals. anthemosoma scientific classification domain: eukaryota clade: diaphoretickes clade: tsar clade: sar clade: alveolata phylum: apicomplexa class: aconoidasida order: piroplasmida family: incertae sedis genus: anthemosomalandau, boulard and housin, 1969 species: a. garnhami binomial name anthemosoma garnhamilandau, boulard and housin, 1969 history the genus was described in 1969 by landau, boulard and housin. description although polar rings and rhoptries are present other typical apicomplexian features including conoid, flagellae, oocysts, sporocysts and pseudocysts are absent. the species parasitises erythrocytes. it is heteroxenous with merogony and gamogony in the vertebrate host. fertilization and sporogony in the invertebrate host. meronts: these occur in erythrocytes. 5-32 merozoites are produced by budding. gamonts: these are spheroid or ovoid.