Description: Mosasaur coprolite (poop) fossil in a great display case! This Coprolite shows amazing detail, like shells from creatures the Mosasaur ate (and pooped). This fossil is from Fannin County, Texas in the Ozan Formation. This coprolite fossil is from the Late Cretaceous Period. This fossil is about 2 " long. Don't miss out on this one, it's a fantastic fossil! Fossil comes in a unique Mosasaur display case and includes a laminated information card. All fossils sold are authentic and one-of-a-kind. No replicas. Mosasaur, (family Mosasauridae), extinct group of aquatic lizards that attained a high degree of adaptation to the marine environment and were distributed worldwide during the Cretaceous Period (145.5 million to 66 million years ago). The mosasaurs competed with other marine reptiles—the plesiosaurs and ichthyosaurs—for food, which consisted largely of ammonoids, fish, and cuttlefish. Many mosasaurs of the Late Cretaceous were large. The longest mosasaurs, based on a specimen of Mosasaurus hoffmanni, are estimated to have been 17 meters (about 56 feet) in length, but the most common forms were no larger than modern porpoises. Mosasaurs had a snakelike body with a large skull and a long snout. Their limbs were modified into paddles having shorter limb bones and more numerous finger and toe bones than those of their ancestors. The tail region of the body was long, and its end was slightly downcurved in a manner similar to that of the early ichthyosaurs. The backbone consisted of more than 100 vertebrae. The structure of the skull was very similar to that of the modern monitor lizards, to which mosasaurs are related. The jaws bore many conical, slightly recurved teeth set in individual sockets. The jawbones are notable in that they were jointed near mid-length (as in some of the advanced monitors) and connected in front by ligaments only. This arrangement enabled the animals not only to open the mouth by lowering the mandible but also to extend the lower jaws sideways while feeding on large prey. MO126
Price: 37.99 USD
Location: Davenport, Iowa
End Time: 2024-12-29T22:27:28.000Z
Shipping Cost: 4.99 USD
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