Tyrannosaurus rex holotype & a tour of WitmerLab tyrannosaurs @witmerlab

Uploaded December 2016 | Updated September 2026, 2 weeks ago

The eight known skull bones of the holotype (name-bearing) specimen of Tyrannosaurus rex (CM 9380) are on loan to WitmerLab at Ohio University for CT scanning and analysis. This video provides a brief drive-by of the original holotype fossils as well as the tyrannosaur skull casts housed in the WitmerLab. For more content like this, check out our Facebook page (facebook.com/witmerlab) or our university page (https://www.ohio.edu/witmerlab).

Tyrannosaurus rex holotype & a tour of WitmerLab tyrannosaurs

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