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anthro balls biped black_and_yellow cavemanon_studios close-up colored damien_payne dilophosaurid dilophosaurus dinosaur duo erection eyebrows fellatio frill_(anatomy)genitals glans guide_lines hair hi_res humanoid_genitalia humanoid_penis i_wani_hug_that_gator koopacoon looking_at_another looking_at_partner looking_up male male/male monochrome motion_lines open_mouth oral penile penis prehistoric_species reptile saurischian scalie sex sharp_teeth short_hair spinosaurid spinosaurus teeth theropod tongue_around_penis uvula vein veiny_penis wide_eyed