Dsungaripterus se caracterizaba por ser un pterosaurio de tamaño mediano

The Hesperornis

making them one of the largest known pterosaurs

Secodontosaurus willistoni is believed to have lived in terrestrial environments and possibly had nocturnal habits to avoid diurnal predators and competitors

especially for its spectacular sail

Ambulocetus natans Dryosaurus Dsungaripterus se caracterizaba por serAmbulocetus natans was an extinct species of mammal that lived during the Eocene period, approximately 49 48 million years ago. The name "Ambulocetus natans" comes from Latin and translates as "walking whale" due to its ability to move both on land and in water. This mammal is an example of the mesonychians, a group of semi aquatic carnivores thought to be related to the ancestors of modern whales. Ambulocetus was characterized as a semi aquatic