GEOLOGY

EARTH SCIENCE

PALEONTOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

The Stegosaurus had two pairs of openings behind each eye socket and a pubic bone that points back toward its tail end. In which order of reptiles would this fossil species be classified?

A	Saurischia
B	Pterosauria
C	Ornithischia
D	Ichthyosauria

Explanation:

Detailed explanation-1: -The first partial skeleton of a stegosaurian dinosaur was discovered in a brick pit in Swindon, UK in 1874. Since then, numerous stegosaurian remains have been discovered from Europe, North America, Africa and Asia, and continue to be discovered regularly.

Detailed explanation-2: -Megalosaurus is believed to be the first dinosaur ever described scientifically. British fossil hunter William Buckland found some fossils in 1819, and he eventually described them and named them in 1824.

Detailed explanation-3: -The remains of over 80 individual animals of this genus have been found.

Detailed explanation-4: -The stegosaurs were a clade of animals similar in appearance, posture and shape, that mainly differed in their array of spikes and plates. Among the closest relatives to Stegosaurus are Wuerhosaurus from China and Kentrosaurus from east Africa.

There is 1 question to complete.