It contains a single species, Tchadorhynchus quentini, which infests hyenas (Manis pentadactyla) in Chad.

The National Center for Biotechnology Information does not indicate that any phylogenetic analysis has been published on Tchadorhynchus that would confirm its position as a unique order in the family Oligacanthorhynchidae.

[1] Tchadorhynchus Troncy, 1970 was erected as the single species contained within differs from related Oligacanthorhynchidae genera by morphological features of bot the adult and embryo as well as the group of hosts, hyenas, the worms parasitize.

This stage involves penetrating the wall of the mesenteron or the intestine of the intermediate host and growing.

There are no reported cases of T. quentini infesting humans in the English language medical literature.