Lazarus effect
n.— «To reappear after 11 million years is more exciting than if the rodent really had been a new species…Indeed, such reappearances are so rare that paleontologists dub them “the Lazarus effect.”» —“A rodent from the past” in D.C. Toronto Sun (Canada) Mar. 10, 2006. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...