When he was pursuing his master's degree at Oxford, he had planned to study
ancient mammals, but he found the field crowded; his thesis project was spent studying the
teeth of Eocene - era elephants in Egypt.
August 15, 2013 Earliest complete fossil from major group of
ancient mammal discovered Flexible ankles and versatile ridged
teeth were the key adaptations that allowed mutituberculates to become the most successful group of
ancient mammals, as revealed with the discovery of a 160 million - year - old fossil — the earliest known complete skeleton of a multituberculate.