Gastrocotylinae

Gastrocotylinae is a sub-family of polyopisthocotylean monogeneans. All the species in this family are parasitic on fish.

Genera
According to the Lebedev (1986) the sub-family includes 17 valid genera:
 * Allogastrocotyle Nasir & Fuentes Zambrano, 1984
 * Amphipolycotyle Hargis, 1957
 * Areotestis Yamaguti, 1965
 * Churavera Unnithan, 1968
 * Cypselurobranchitrema Yamaguti, 1966
 * Engraulicola George, 1960
 * Engrauliphila Unnithan, 1967
 * Engrauliscobina Unnithan, 1967
 * Engraulixenus Unnithan, 1967
 * Eyelavera Unnithan, 1968
 * Gastrocotyle Beneden & Hesse, 1863
 * Irinaxine Ghichenok, 1980
 * Pellonicola Unnithan, 1967
 * Pseudaxine Parona & Perugia, 1890
 * Pseudaxinoides Lebedev, 1968
 * Quadrivalvula Ghichenok, 1980
 * Sibitrema Yamaguti, 1966