Amphibians and squamates in the Eocene of Europe: what do they tell us?

The fauna of amphibians and squamates during the Eocene in western Europe resulted initially from the addition of an old, ante-Eocene fauna, and of a new fauna that arrived as a big wave of dispersals at the beginning of the Eocene (MP 7). These dispersals were likely favoured by the tropical climate. The fauna, as a whole, included taxa with Laurasian affinities, some of which indicate relationships with North America. However, some taxa showed...