Harpactognathus was a rhamphorhynchid pterosaur which lived in the Morrison Formation of western North America during the late Jurassic Period. It was one of the largest pterosaurs that lived in North America during that time. Although it is only known… Read More ›
fish
Habrosaurus, a Late Cretaceous siren amphibian from the Hell Creek Formation
The Hell Creek Formation of the north-central United States is famous for its dinosaur fossils, notably those of Tyrannosaurus, Triceratops, and others whose names are well-known to children and adults. However, this fossilized environment was home to more than just dinosaurs. The… Read More ›
Lonchidion, a prehistoric shark
This is a drawing of Lonchidion, a hybodont shark from the Mesozoic Era. There were at least eleven different species, one of which was found in the Hell Creek Formation. I won’t get into all of the particulars regarding this… Read More ›
Two Triassic Pycnodont Fishes: Brembodus and Eomesodon
Here are color pencil drawings of two genera of prehistoric fish. Their fossils have been found in central Europe in rocks dating to the late Triassic Period. Both of these fish belong to a group called the pycnodonts, and it… Read More ›
Cretoxyrhina and Squalicorax
Let’s change from dinosaurs to some other prehistoric life. Here are two prehistoric sharks. The large gray one on top is called Cretoxyrhina mantelli, more commonly known as the Ginsu Shark. The smaller blue one underneath is called Squalicorax falcatus,… Read More ›