FURVERT!

2004 3_toes ambiguous_gender blaquetygriss ceratopsian ceratopsid chasmosaurine claws cloacal cloacal_fisting cloacal_penetration cloacal_penis dinosaur dromaeosaurid erection feet feral fisting foursome frottage genitals group group_sex knot larger_male male male/male marginocephalian ornithischian penetration penile penis penises_touching prehistoric_species reptile saurischian sauropod sauropodomorph scalie sex size_difference smaller_male surprised tail theropod toes triceratops velociraptor