massisteria massisteria massisteria is a genus of cercozoa. they are naked protists with a central cell body from which several delicately thin and stiff pseudopodia extend, each one bearing a small number of granules. their pseudopodia remain adhered to the substrate, as is typical among leucodictyids. the cell body has two flagella that, during feeding, are held in place. massisteria scientific classification domain: eukaryota clade: diaphoretickes clade: sar phylum: cercozoa class: granofilosea order: leucodictyida family: massisteriidae genus: massisterialarsen & patterson, 1990 species m. marina m. voersi taxonomy the genus has two described species: massisteria marina larsen & patterson, 1990 massisteria voersi mylnikov et al., 2015