Naomi Jordan explains what newly found fossils tell us about the creatures that dominated in the Ordovician period, 480 million years ago. (Extract 3 of 4 from the Imperial College Podcast 13 May 2015)
Naomi Jordan explains what newly found fossils tell us about the creatures that dominated in the Ordovician period, 480 million years ago. (Extract 3 of 4 from the Imperial College Podcast 13 May 2015)