streblomastix streblomastix a symbiotic eukaryote that lives in the stomach of termites, and other insects, streblomastix is a protist that helps to digest wood along with other protists. streblomastix scientific classification domain: eukaryota (unranked): excavata phylum: metamonada class: anaeromonadea order: oxymonadida family: streblomastigidae genus: streblomastixkofoid & swezy 1920 the streblomastix engages in a relationship similar to that of bacteria endosymbionts of rumenous animals such as the cow. motility the streblomastix moves by beating its anterior flagella. morphology this protozoan looks like a spade, with the stomach on the posterior, and the flagella on the anterior end. these animals measure around 100 micrometers in length.