absanalankylosaurianankylosauridankylosaurusanthroarmorbicepsbig_musclesbone_frillbullzeyeceratopsianceratopsidchasmosaurineclawsdinosaurextreme_dinosaurseyes_closedfangsfrill_(anatomy)grey_bodygrey_skingringrouphardrockhi_reshornmalemale/malemale_penetratedmale_penetratingmale_penetrating_malemarginocephalianmembrane_(anatomy)membranous_wingsmuscularmuscular_maleopen_mouthornithischianparallel_sexpecspenetrationprehistoric_speciespteranodonpteranodontidpterosaurreptilesaurischianscalesscaliesexsmilespike_(extreme_dinosaurs)t-bone_(extreme_dinosaurs)teeththeropodthyreophorantonguetriceratopstyrannosauridtyrannosauroidtyrannosaurustyrannosaurus_rexunknown_artistwingsyellow_eyes