Imagine creatures that have survived since the time of dinosaurs. Species like the tuatara, sturgeon, crocodile, hagfish, ...
Imagine creatures so old that their forebears roamed Earth when dinosaurs walked ... has survived since over 200 million years ago and is considered a true survivor from the dinosaur's time.
shielding the Earth's surface from harmful solar radiation. The first multicelled animals appeared in the fossil record almost 600 million years ago. Known as the Ediacarans, these bizarre ...
To account for the numerous gaps in the fossil record, they treated the parts of the world where fossils have not been uncovered as missing information rather than designating them areas where no ...