500 or more dinosaurs possible yet to be discovered
Julia Heathcote, graduate student in earth and planetary sciences in Arts & Sciences, holds a dinosaur model in a McDonnell building laboratory. Heathcote has done an inventory of the complete dinosaur fossil record to determine the quality and congruence of the record. She calls the record, known as the Dinosauria, "moderately good," and says her results indicate that there might be 500 or more dinosaurs yet to be discovered.
David Kilper/WUSTL Photo
A graduate student in earth and planetary sciences in Arts & Sciences at Washington University in St. Louis has combed the dinosaur fossil record from T. Rex to songbirds and has compiled the first quantitative analysis of the quality and congruence of that record.
Julia Heathcote, whose advisor is Josh Smith, Ph.D., Washington University assistant professor of earth and planetary sciences, examined data of more than 250 dinosaur genera, or classes, as well as various clades, or family tree branches, of dinosaur classes.
Tony Fitzpatrick | WUSTL
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