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Ignacius graybullianus
Vertical Florida Museum vertebrate paleontologist Jonathan Bloch holds the preserved skull of the 54-million-year-old primitive primate, Ignacius graybullianus. Eric Zamora | Horizontal Florida Museum vertebrate paleontologist Jonathan Bloch holds the preserved skull of the 54-million-year-old primitive primate, Ignacius graybullianus. Eric Zamora | Thumb Florida Museum vertebrate paleontologist Jonathan Bloch holds the preserved skull of the 54-million-year-old primitive primate, Ignacius graybullianus. Eric Zamora |