pseudoklossia pseudoklossia pseudoklossia is a genus in the phylum apicomplexa. species in this genus infect marine molluscs, although one species (pseudoklossia microcosmi) infects in an ascidian worm. the life cycle is heteroxenous (requires at least two hosts). pseudoklossia scientific classification domain: eukaryota clade: diaphoretickes clade: sar clade: alveolata phylum: apicomplexa class: conoidasida order: eucoccidiorida suborder: eimeriorina family: aggregatidae genus: pseudoklossialéger & duboscq, 1915 species pseudoklossia chitonis pseudoklossia glomerata pseudoklossia haliotis pseudoklossia kabatai pseudoklossia microcosmi pseudoklossia patellae pseudoklossia pectinis pseudoklossia pelseneeri pseudoklossia semiluna pseudoklossia tellinovum the species infecting molluscs tend to infect the renal tissue. history this genus was created by leger and duboscq in 1915. taxonomy the type species is pseudoklossia glomerata. description the oocysts have numerous sporocysts. each sporocyst generally has 2 sporozoites.