Figure 18 from: Krailas D, Namchote S, Koonchornboon T, Dechruksa W, Boonmekam D (2014) Trematodes obtained from the thiarid freshwater snail Melanoides tuberculata (Müller, 1774) as vector of human infections in Thailand. Zoosystematics and Evolution 90(1): 57-86. https://doi.org/10.3897/zse.90.7306

Figure 18 - Image of Gastrothylax crumenifer;a. Drawing of cercaria structureb. Cercaria stained with 0.5% neutral redc. Redia stained with 0.5% neutral redd.–g. Images of Scanning ElectronmicroscopeAbbreviations: os – oral sucker, p – pharynx, es – eye spot, vs – ventral sucker, ga – genital atrium, in – intestine, vs – ventral sucker, ta – tail, re – redia, c – cercaria (scale a, b = 100 µm, c = 10 µm).