Fossils: World's oldest-known starfish dating back 480 million years is unearthed in Morocco
A fossil starfish unearthed in Morocco that dates back 480 million years is a 'missing link' between modern day crinoids and their ancestors, a study has reported. Experts from Cambridge said that the fossil — uncovered from within the so-called Fezouata shale of the Anti-Atlas mountain range — is the oldest-known starfish. It dates back to a period in Earth's history — the so-called Ordovician Biodiversification Event — when the life suddenly expanded. The previous contender for the oldest starfish specimen on record was 50 million years younger, the researchers said. Given the s...