Figure 3

A size invariant comparison of the marginal hook sickle of Gyrodactylus salinae n. sp. (broken line) from the south European toothcarp Aphanius fasciatus (Valenciennes) from Cervia Saline (Italy), with the other six Gyrodactylus species previously recorded infecting cyprinodontid hosts. a - Gyrodactylus cyprinodontis Mizelle et Kritsky, 1967; b - overlay of G. salinae n. sp. with G. cyprinodontis (solid line); c - Gyrodactylus hargisi Williams et Rogers, 1971; d - overlay of G. salinae n. sp. with G. hargisi (solid line); e - Gyrodactylus mobilensis Williams et Rogers, 1971; f - overlay of G. salinae n. sp. with G. mobilensis (solid line); g - Gyrodactylus nevadensis Mizelle et Kritsky, 1967; h - overlay of G. salinae n. sp. with G. nevadensis (solid line); i - Gyrodactylus saratogensis Mizelle et Kritsky, 1967; j - overlay of G. salinae n. sp. with G. saratogensis (solid line); k - Gyrodactylus tularosae Kritsky et Stockwell, 2005; l - overlay of G. salinae n. sp. with G. tularosae (solid line). Scale bars = 3 μm.