Life Rising From The Dead Fossil Record
Lazarus taxa are creatures that vanish from the fossil record for millions of years, only to mysteriously reappear as if resurrected. They were never truly extinct, but simply hiding in remote corners of the planet.
Paleontologists use this term when a species disappears from layers of rock and then suddenly shows up again much later. These organisms often survive in isolated or deep-sea habitats that remain unchanged for eons. It serves as a humbling reminder that our history of life on Earth is filled with massive gaps. Sometimes, what we assume to be a prehistoric tragedy is actually just a case of missing information.
Source: Lazarus taxon