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A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species from what was previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A long time ago, the earth warmed considerably; now, scientists study fossils to find out what happened – and what it might mean for us today.

Using new isotopic and life-history analyses technology, scientists were able to reconstruct he landscape where the animal roamed during his adolescence and final years of his life.