rastrimonas rastrimonas rastrimonas is a monotypic genus of parasitic alveolates in the phylum apicomplexa. it contains the single species rastrimonas subtilis. it was described in 2002 from the free-living cryptomonad chilomonas paramaecium and placed in the new genus cryptophagus. the following year this was renamed rastrimonas. rastrimonas scientific classification domain: eukaryota (unranked): sar (unranked): alveolata phylum: perkinsozoa class: perkinsea order: rastrimonadida family: rastrimonadidae genus: rastrimonasbrugerolle 2003 species: r. subtilis binomial name rastrimonas subtilis(brugerolle 2002) brugerolle 2003 synonyms cryptophagus brugerolle 2002 non herbst 1863 non rafinesque 1815 nomen nudum cryptophagus subtilis brugerolle 2002