myxophyllum myxophyllum myxophyllum is a genus of ciliates belonging to the family thigmophryidae. as of 2021, its status in zoological nomenclature is uncertain. myxophyllum scientific classification domain: eukaryota clade: diaphoretickes clade: sar clade: alveolata phylum: ciliophora class: oligohymenophorea order: philasterida family: thigmophryidae genus: myxophyllumxu & song, 2000 species myxophyllum magnum xu & song, 2000 myxophyllum steenstrupi (stein, 1861) raabe, 1934