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41) How many fossils are necessary to identify a new dinosaur species?

Only one complete or even partial dinosaur skeleton is necessary to identify a new species. In fact, almost half of the 1,200 or so dinosaurs that have been identified are known from unique single specimens.

42) In what country were dinosaur fossils thought to be dragon bones?

For centuries, the Chinese have used dinosaur fossils--originally thought to be dragon bones--as ingredients in their medicine and food.

43) How many wings did a Microraptor have?

Microraptor had four wings, one on each of its forelimbs and hindlimbs, somewhat resembling one possible arrangement of the quartet of flight surfaces on a tandem wing aircraft of today.

44) Which of the following dinosaurs was the smallest?

Compsognathus, commonly known as "The poodle of dinosaurs", was thought for decades to be the smallest dinosaur. The first specimen collected was around 1 m (3 ft) in length. However, more recent discoveries, such as Caenagnathasia, Microraptor and Parvicursor, were even smaller.

45) When the first Megalosaurus fossil was discovered, what was it mistaken for?

When the partial femur of Megalosaurus was unearthed in England in 1676, Robert Plot, the curator of an English museum, mistakenly identified it as belonging to a human giant. It took another 150 years for William Buckland to give this genus its distinctive name, and nearly 20 years after that for Megalosaurus to be conclusively identified as a dinosaur by the famous paleontologist Richard Owen.

46) The discovery of what dinosaur ushered in the age of the giant Sauropods?

Most of the dinosaur fossils unearthed in the late 18th and early 19th century belonged to relatively small ornithopods or slightly bigger theropods. The discovery of Diplodocus in western North America's Morrison Formation in 1877 ushered in the age of the giant sauropods which have since captured the public imagination.

47) Which dinosaur is considered a transitional form between bipedal prosauropods and the giant quadrupedal sauropods?

Based on the structure of the hind limbs and pelvic girdle of Aardonyx, the dinosaur normally moved bipedally but could drop to quadrupedal movement similar to Iguanodon. It also has arm features that are intermediate between prosauropods and sauropods.

48) What was the name of the Tyrannosaurus in the TV series Land of the Lost (1974-76)?

Grumpy was the first of the dinosaurs the Marshall family encountered, occasionally chasing them to High Bluff.

49) What kind of dinosaur is Fred Flintstone's pet Dino?

Dino is a fictional prosauropod-like dinosaur known as the Snorkasaurus.

50) What are the spikes on the end of a dinosaur's tail called?

A thagomizer is the distinctive arrangement of four to ten spikes on the tails of stegosaurid dinosaurs. These spikes are believed to have been a defensive measure against predators.