rigifila rigifila rigifila ramosa is one of the two members of the rigifilida. it differs from the other member micronuclearia podoventralis by having two pellicular layers covering the cell instead of a single one. dorsal filopodia are also thicker and more conspicuous than in micronuclearia. rigifila ramosa scientific classification domain: eukaryota order: crums family: rigifilida genus: rigifilayabuki & cavalier-smith 2012 species: r. ramosa binomial name rigifila ramosayabuki & cavalier-smith 2012