Ken Griffin buys stegosaurus named ‘Apex’ for record $44.6mn Financial TimesLargest Stegosaurus fossil ever found sells for record $44.6 million at auction AxiosLargest, most intact stegosaurus fossil ever found sells for $44.6m The GuardianExclusive | Ken Griffin Pays $45 Million for a Stegosaurus The Wall Street JournalStegosaurus skeleton, nicknamed ‘Apex,’ sells for record $44.6M at Sotheby’s auction ABC News