Illiosentidae
Illiosentidae is a family of parasitic worms from the order Echinorhynchida. Species. Illiosentidae contains the following species: Brentisentis The species name "chongqingensis" was named after the location where the samples were collected: Chongqing, China. "B. uncinus" was found infesting the small intestines of the Tank goby ("Glossogobius giuris") and "Eleotris pisonis" near the mouth of Keelung River, Taiwan. Dentitruncus Dollfusentis Goacanthus Indorhynchus Koronacantha "Metarhadinorhynchus" "M. laterolabracis" is the type species. "Paradentitruncus" "Pseudorhadinorhynchus" "P. cinereus" was found infesting "Stromateus cinereus" in Pakistan. "P. mujibi" was found infesting "Stromateus sinensis" in Pakistan. "Tegorhynchus" "Telosentis" "Telosentis" is a genus of acanthocephalans. The  representatives of the genus are distributed in tropical waters of Indian ocean, Pacific coast of Australia and Mediterranean. Consists of four species: "T. exiguus" is a widespread intestinal parasitic worm. Its hosts are marine and brackish water fish of the Mediterranean basin. This species is found in the Mediterranean Sea (near the coasts of France and Italy), in the Adriatic Sea (Italy, Montenegro), the Sea of Marmara, the Black Sea and the Sea of Azov (near the coasts of Ukraine). "T. exiguus" is able to thrive in a variety hosts. It has been found as an intestinal parasite in anchovies , sand-smelts, shads, garfishes, eels, sticklebacks, pipe-fishes, grass gobies, some other gobies, blennies, and wrasses. "T. exiguus"' tegument is covered with spines in anterior and posterior parts. Its cerebral ganglion located in central part of the proboscis sac, sometime moved to anterior region. Its proboscis is cylindrical or club-shaped, armed with 12 longitudal rows of hooks of same type; the smaller hooks are in the posterior region of proboscis, larger is in its central part. The roots of the hooks have long forward-facing appendixes. In the Black Sea the intermediate hosts of this acanthocephalan is the amphipod  Apherusa bispinosa, in the coelom of which the cystacanthes are located. Fish are infested by feeding on amphipods infected with larvae.