Researchers say rare fossil find provides evidence of 20 theory of evolution . `` The head and neck evolved first , followed later by the body , tail , wings and legs , '' Unwin said . two fossilized pterodactyls found in Darwinopterus in rock dating back earlier this year . Fossils show creatures had characteristics of one types of known pterodactyls . Scientists say fossils show groups of features changed relatively rapidly .
Researchers say rare fossil find provides evidence of 20 theory of evolution . two fossilized pterodactyls found in Darwinopterus in rock dating back earlier this year . Fossils show creatures had characteristics of one types of known pterodactyls . Scientists say fossils show groups of features changed relatively rapidly .