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2012 animal_genitalia blood bodily_fluids claws cloaca cloacal cloacal_penetration cloacal_penis dinosaur duo erection fangs female female_on_top female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral from_front_position genitals hadrosaurid interspecies klaus_doberman lying male male/female male_on_bottom male_penetrating male_penetrating_female nude on_back on_bottom on_top open_mouth ornithischian ornithopod parasaurolophus penetration penis pink_penis pink_tongue plant predator/prey prehistoric_species reptile reverse_missionary_position saliva saliva_string saurischian scalie sex sharp_teeth tail teeth theropod tongue tree tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex vertical_cloaca