Lambeosaurus, 3/4 profile skull Spinosaurus Younger sharks replace their teeth

Younger sharks replace their teeth more often than older ones

with specialized adaptations like a long low snout with narrow jaws filled with finely serrated teeth and gaff-hook-like claws to help it hunt its main prey

Java Man (Homo erectus erectus) is early human fossils discovered on the island of Java (Indonesia) in 1891 and 1892

smaller teeth being moved into the center of the whorl by the appearance of larger

These tracks are under study and pending naming go by the nickname Tucker

Lambeosaurus, 3/4 profile skull Spinosaurus Younger sharks replace their teethThis replica skull is from a juvenile Lambeosaurus. The large hollow bony crest had not yet developed on this young and small specimen. The skull is shown in a profile and is flat on the back. This specimen is made of hydrostone, which is an extra hard form of plaster. It has the weight of a real fossil. Lambeosaurus was a crested, duck billed dinosaur. Its forward leaning, hollow, bony crest was as big or bigger than the rest of its skull and may