In 1948, scientists left a giant fossil on an Arctic island because they could not carry it; 78 years later it became a record-size new predator

• The fossil of Arctobatrachus urdensis as documented in 1948 (A–C), its skull as it appears today (D), and a reconstructed illustration (E).
• Nearly 80 years ago, a British expedition discovered the battered remains of a giant fossil on the peak of an Arctic island.