ambiguous_gender back_spikes bared_teeth border bust_portrait earhole earthward_bound eupelycosaur fangs green_eyes hi_res long_snout narrowed_eyes neck_muscles portrait prehistoric_species purple_sclera red_background red_body red_skin rodinian sabertooth_(anatomy) sail_(anatomy) sharp_teeth signature simple_background snarling snout solo spikes spikes_(anatomy) synapsid teeth tenarian therapsid voka whiskers yellow_border
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