anthro big_penis breasts claws dinosaur erection extinct feathers genitals gynomorph huge_penis hyper hyper_genitalia hyper_penis intersex jupiter_theia macro muscular muscular_anthro muscular_gynomorph muscular_intersex non-mammal_breasts penis prehistoric_species qwertydragon reptile scalie scar simple_background solo tail teeth theropod tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex vein