Rule 34 Dev - anthro duo genitals male male/male muscular muscular_anthro muscular_male penis red_body red_scales scales size_difference tail text zomacaius silvius_(draethon) zoma canid canine dinosaur fox mammal prehistoric_species reptile scalie theropod tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex english_text hi_res|21877472120