A brief introduction to insect mouthparts and their evolutionary history.
Author of the article:LIU Ming，REN Dong，TAN Jing-Jing
Author's Workplace：(College of Life Sciences,Capital Normal University, Beijing 100037, China)
Key Words：fossil insect; mouthparts; evolutionary history
Abstract：Insect mouthparts have a high diversity owing to their different living environments and food resources. They can be divided into 34 extant classes and 2 fossil ones. Most mouthparts innovation appered in 5 phases during geochronological time:early Devoni