See text Telegamatrix is a genus of monopisthocotylean monogeneans, belonging to the family Diplectanidae.

[1][2] Species of Telegamatrix are parasitic on the gills of marine fish of the families Clupeidae and Leiognathidae.

In the original description of the type species and genus, Ramalingam (1955) [1] wrote: "It is seldom that an entirely novel animal is found, but Telegamatrix seems to be a unique example in evolution of what would appear to be an ideal copulatory arrangement for a sedentary hermaphrodite, whether animal or lower plant."

Indeed, the genital apparatus of species of Telegamatrix include a spectacular "tentacle" as long as an adult (i.e. about 1 mm).

[1] According to the World Register of Marine Species,[2] the following species are included in the genus: