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Keywords from Image Description:
PZSLPage. Procolophon trigoniceps Procolophon Owen Broom Owen Broom Seeley Seeley en Mandibles of mammallike reptiles Ang angular bone Art articular bone Co coronoid bone Dent dentary bone Ang suprangular bone Sp splenial bone Proceedings of the Zoological Society of London org vol issue org page page published Broom