According to foreign media reports

Scientists recently discovered that living in a giant creatures prehistoric earth, and now we can see dragonfly similar. According to paleontologist Matthew Clapham participated in this study (Matthew Clapham) Introduction: in the life three hundred million years ago, the giant insects wingspan over 28 inches, about 70 centimeters, only smaller than the crow...... According to foreign media reports, scientists recently discovered that living in a giant creatures prehistoric earth, and now we can see dragonfly similar. According to paleontologist Matthew Clapham participated in this study (Matthew Clapham) Introduction: in the life three hundred million years ago, the giant insects wingspan over 28 inches, about 70 centimeters, only smaller than the crow. Today we see the flying insects in the wings all unfolded is approximately one foot in size, about 30 cm, such as butterflies, moths and other species. Compared with the prehistoric giant insects is smaller, then this kind of giant insects on earth widespread. Scientific exploration The early bird makes the emergence of "giant insects' population declined until it disappeared Scientific exploration Three hundred million years ago the dragonfly with a wingspan of up to 70 cm