Intestinus
Intestinus is a Latin adjective meaning "of the intestine" and is used in scientific nomenclature to indicate a relationship with the digestive tract. The word derives from intestinum, the Latin noun for intestine, with the suffix -inus forming a descriptor meaning "pertaining to" or "like." In taxonomic and diagnostic writing, intestinus is commonly employed as a species epithet or as part of a descriptive phrase within a binomial name to signal that the organism was isolated from the intestine or is otherwise associated with intestinal biology. It is not a taxon and does not designate a rank such as genus or family.
As a descriptor, intestinus can appear across biological groups—bacteria, fungi, invertebrates, and vertebrates—where an intestinal association
In summary, intestinus serves as a nomenclatural descriptor rather than an independent taxon, signaling a connection