Shark origin explored

Dana Ehret, lead author of a University of Florida study on the origin of great white sharks, analyzes a 4.5-million-year-old fossil at Gordon Hubbell’s private gallery in Gainesville, Fla., on March 6, 2009. In a study published Nov. 14, 2012, in Palaeontology, researchers name the species Carcharodon hubbelli for Hubbell, who donated the fossil to the Florida Museum of Natural History on the UF campus. Ehret, now a lecturer at Monmouth University, conducted the research as a UF graduate student.

(Jeff Gage/Florida Museum of Natural History)
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