It possessed limbs transformed into rigid flippers

Approximate measurements of the Neogale macrodon: Scale 1:24 Complete

conservaba rasgos propios de ceratopsios relativamente basales

and associated fauna

suited to chewing non-abrasive vegetation

Xiphactinus audax Variante:Sin imprimar It possessed limbs transformed intoXiphactinus audax was a large predatory bony fish from the Late Cretaceous of North America, known primarily from fossils recovered from marine deposits of the former Western Interior Seaway, especially the Niobrara Formation of Kansas, although its distribution extended across much of the North American interior basin. Originally described by Joseph Leidy in 1870, this taxon belongs to Ichthyodectiformes, a group of Mesozoic actinopterygian fishes