Isthomosacanthidae

Isthomosacanthidae is a family of parasitic spiny-headed (or thorny-headed) worms.

Species
Isthomosacanthidae contains the following genera and species:

Golvanorhynchus
Golvanorhynchus Noronha, Fabio & Pinto, 1978 contains one species.

G. golvani was found parasitizing the Atlantic chub mackerel (Scomber colias).
 * Golvanorhynchus golvani Noronha, Fabio & Magalhaes, 1978

Gorgorhynchoides
Gorgorhynchoides Cable and Linderoth, 1963 contains many species.
 * Gorgorhynchoides bullocki Cable and Mafarachisi, 1970
 * Gorgorhynchoides cablei (Gupta and Fatma, 1987)
 * Gorgorhynchoides cribbi Smales, 2014
 * Gorgorhynchoides elongatus Cable and Linderoth, 1963
 * Gorgorhynchoides epinepheli Wang, 1986
 * Gorgorhynchoides gnathanodontos Smales, 2014
 * Gorgorhynchoides golvani (Chandra, Hanumantha-Rao and Shyamasundari, 1984)
 * Gorgorhynchoides indicus Bhattacharya and Banerjee, 2003
 * Gorgorhynchoides lintoni Cable and Mafarachisi, 1970
 * Gorgorhynchoides orientalis (Wang, 1966)
 * Gorgorhynchoides queenslandensis Smales, 2014
 * Gorgorhynchoides valiyathurae (Nadakal, John and Jacob, 1990)

Serrasentis
Serrasentis Van Cleave, 1923 contains many species
 * Serrasentis engraulisi Gupta & Gupta, 1980
 * Serrasentis fotedari Gupta & Fatma, 1980
 * Serrasentis gibsoni
 * Serrasentis golvani Gupta & Kumar, 1987
 * Serrasentis lamelliger (Diesing, 1854)
 * Serrasentis manazo Bilqees & Khan, 2005
 * Serrasentis mujibi Bilqees, 1972
 * Serrasentis nadakali George & Nadakal, 1978
 * Serrasentis niger Kahatoon and Bilqees, 2007
 * Serrasentis psenesi Gupta & Gupta, 1980
 * Serrasentis sagittifer (Linton, 1889)
 * Serrasentis sauridae Surekha and Vijayalakshmi, 2006
 * Serrasentis sciaenus Bilqees, 1972
 * Serrasentis sidaroszakaio Tadros, Iskandar & Wassef, 1979

Hosts
Isthomosacanthidae  species parasitize fish hosts.