ailurid anthro apode conjoined draconcopode dragon erection frontal_taur_genitals frontal_taur_penis furniture genitals group hi_res horn legless living_tail male male/male mammal menagerie merging multi_arm multi_genitalia multi_limb multi_penis mythological_creature mythological_scalie mythology naga penis penis_tongue red_panda reptile scalie serpentine snake snake_tail stool tail tail_head taur unusual_anatomy unusual_genitalia_placement unusual_penis_placement unusual_tail what what_has_science_done