DescriptionCeratopsia skin integument.png English: (a) Distribution of known scaly integument on the body of psittacosaurids (right silhouette; Jaime Headden;...
DescriptionPsittacosaurid specimen integument (GMC LL2001-01).png English: Integument in a possible psittacosaurid specimen (GMC LL2001-01) from the Dawangzhangzi...
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