Scientists discover oldest ever giant tadpole fossil in Argentina | Fossils
Scientists have discovered the oldest-known fossil of a giant tadpole that wriggled around over 160m years ago. The new fossil, found in Argentina, surpasses the previous ancient record holder by about 20m years. Imprinted in a slab of sandstone are parts of the tadpole’s skull and backbone, along with impressions of its eyes and nerves. … Read more