Mosasaurs are an extinct group of large marine reptiles containing 38 genera in total. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764. Mosasaurs probably evolved from an extinct group of aquatic lizards known as aigialosaurs in the Early Cretaceous. During the last 20 million years of the Cretaceous period (Turonian-Maastrichtian ages), with the extinction of the ichthyosaurs and pliosaurs, mosasaurs became the dominant marine predators. They became extinct due to the K-Pg event at the end of the Cretaceous period, about 66 million years ago. Let’s come and choose your favorite coloring page from the dinosaur coloring category. You can also share this site with all your friends to play with many collections of Mosasaurs Dinosaurs coloring pages for girls and boys on our site Coloringpagesonly.com.
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