Modern crocodiles are known for their sprawling four-legged gait, but this Cretaceous crocodilian walked on two legs as it prowled prehistoric shores, as evidenced by well-preserved footprints it left behind.
Death might have taken weeks; it might have been days. But when it struck, it struck ruthlessly.
A pair of long-legged flies met a Romeo-and-Juliet ending some 41 million years ago, when a falling drop of tree resin ruined their tender moment. On the bright side, their disrupted act of fornication was preserved for all eternity in this pornographic piece of amber.