Fossils: Prehistoric ichthyosaurs evolved rapidly to be as big as whales
A newly discovered fossil shows that within just 3 million years of their first appearance on Earth, ichthyosaurs had evolved into 17-metre-long giants Life 23 December 2021 By Riley Black An artist’s impression of Cymbospondylus youngorum Stephanie Abramowicz Fossil remains of one of the ocean’s earliest giants have been unearthed in Nevada. Named Cymbospondylus youngorum, … Read more