:" Post-Grande Coupure faunas include the true rhinoceros ( family Rhinocerotidae ), three artiodactyl families ( Entelodontidae, Anthracotheriidae and Gelocidae ) related respectively to hippos and ruminants, the rodent families Eomyidae, Cricetidae ( hamsters ) and Castoridae ( beavers ), and the lipotyphlan family Erinaceidae ( hedgehogs ).