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Figure 2            Compilation of virtually all known complete edmontosaur skulls from North America.

Figure 2 Compilation of virtually all known complete edmontosaur skulls from North America.

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Tyrannosaurus is a genus of coelurosaurian theropod dinosaur. dating to the Maastrichtian age of the upper Cretaceous Period, 67 to million years ago.

Skull of Barbourofelis, extinct carnivorous mammals which lived during the Miocene (15 to 6 mio years ago) in North America. The appearance of this predator reminded very much the saber-toothed tigers. The structure of the barbourofelis was very strong: it might look like a lion with the physique of a bear or a bear with the head of a lion.

Skull of Barbourofelis, extinct carnivorous mammals which lived during the Miocene to 6 mio years ago) in North America. For a parallel evolution phenomenon, the appearance of this predator reminded very much the saber-toothed tigers.

Hadrosauridae Family

Hadrosauridae skull comparison (not to scale) A = Lophorhothon atopus B = Acristavus gagslarsoni C = Maiasaura peeblesorum D = Brachylophosaurus canadensis E = Kritosaurus navajovius F = Gryposaurus notabilis G = Gryposaurus monumentensis

Western North America hosted a remarkable diversity of dinosaurs, and among the most diverse clades was the Chasmosaurinae, a group of large, horned dinosaurs.

Fresh Look At Museum's Fossils Reveals New Dinosaur Species

New dinosaur fossil discoveries in a Canadian museum challenges the theory of ethnicity in North American Dinosaurs, Triceratops. 85 Million Years Ago

Protosphyraena nitida - "Prehistoric Swordfish". 85 m.y.o. This exotic Cretaceous predator has been known for over 150 years. It was first discovered in Europe and described in 1857. Charles H. Sternberg discovered the first North American remains in the late 1880's (see comments from his book, shown below). This is the first skeletal presentation of this cartilaginous bodied fish. This and more rare fossils for sale on CuratorsEye.com

85 m. This exotic Cretaceous predator has been known for over 150 years. It was first discovered in Europe and described in Charles H. Sternberg discovered the first North American remains in the

Anurognathus ammoni, in alert position. Perhaps my favorite pterosaur. Solnhofen Formation, late Jurassic (Tithonian).

Anurognathus ammoni, in alert position. Perhaps my favorite pterosaur.

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