sawyeria sawyeria sawyeria marylandensis is a species of amoebae, placed in the monotypic genus sawyeria, and belonging to the group heterolobosea. sawyeria marylandensis scientific classification domain: eukaryota (unranked): excavata phylum: percolozoa class: heterolobosea order: schizopyrenida family: vahlkampfiidae genus: sawyeriao'kelly et al., 2003 species: s. marylandensis binomial name sawyeria marylandensiso'kelly et al., 2003