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2010 abs all_fours anal anal_penetration anthro balls black_and_white ceratopsian ceratopsid chasmosaurine circumcised circumcision_scar claws dinosaur doggystyle double_penetration dromaeosaurid erection fellatio from_behind_position genital_scar genitals group group_sex horn male male/male male_penetrated male_penetrating male_penetrating_male marginocephalian monochrome muscular oral oral_penetration ornithischian penetration penile penis prehistoric_species reptile saurischian sauropod sauropodomorph scalie scar sex shallow_penetration sickle_claw spitroast sudonym tail theropod threesome toe_claws triceratops trio