Casey Holliday with Shieldcroc bone

January 31, 2012 | 6:07 p.m. CST
Casey Holliday holds a skull fragment believed to be 95 million years old belonging to a Aegisuchus Witmeri, or "Shieldcroc" at the Medical Science Building in Columbia on Tuesday, Jan. 31, 2012. Holliday found the bone in a drawer while working at the Royal Ontario Museum in Toronto and noticed its structures were different from previously discovered crocodilian bones.

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