Quick Answer. When a solid turns into a liquid it is called fusion, more commonly referred to as melting. When a material moves from one state of matter into another it is called a phase transition. Fusion is just one of approximately different states that matter can phase through.
Before the dinosaurs, there were Triops. Fossil Triops more than 200 million years old have been discovered. By comparison, dinosaurs date back only about 60 million years...just 'youngsters' in terms of geologic time. Triops are distant relatives of trilobites. Triops means three-eyes while the name trilobite means three lobed or three segments.
Dilophosaurus was a small, primitive, meat-eating dinosaur with two thin, hollow, bony crests on its head. This theropod lived during the early Jurassic period, roughly 201 to 189 million years ago.Dilophosaurus was a speedy, lightly-built, bipedal (walked on two legs), meat-eating dinosaur.ossils and Name: The first fossil Dilophosaurus skeleton was found in Arizona, USA, in the 1940's. Dilophosaurus was named in 1970 by Samuel P. Welles. Fossils have been found in the USA and China.