Isotricha intestinalis can be 200 micrometers long, and is distinguishable by its mouth position.[3] They are the largest protozoans present in therumen of sheep.[2]
This species has microbody-likeorganelles, and a highly granular appearance.[4]
^"Image number D383-3".United States Department of Agriculture. Agricultural Research Service. Retrieved2018-07-29.
^Yarlett, Nigel; Hann, Ao C.; Lloyd, David; Williams, Alan G. (1983). "Hydrogenosomes in a mixed isolate ofIsotricha prostoma andIsotricha intestinalis from ovine rumen contents".Comparative Biochemistry and Physiology. B, Comparative Biochemistry.74 (2):357–64.doi:10.1016/0305-0491(83)90025-1.PMID6403285.