Fig. 2

Range reconstructions for marine vertebrate species from the Late Cretaceous showing how species distributions typically change through time. Darker polygons show the ranges of the mosasaur Platecarpus for different stages (a–d) of the Late Cretaceous. Lighter polygons show the ranges for the mosasaur Tylosaur. These ranges change through time but do not show a statistical association with one another and instead appear to be associated with changes in the environment, from Myers and Lieberman (2011), used with permission