There are several synonyms for the Subclass Exopterygota, which is a group of insects that undergo incomplete metamorphosis. Some of the common synonyms for Exopterygota include Hemimetabola, which refers to the insects' ability to grow by molting their exoskeleton, and Paurometabola, which indicates that their wings are developed gradually over time. Additionally, some taxonomists classify Exopterygota as Paraneoptera, which includes insect orders such as Hemiptera (true bugs), Thysanoptera (thrips), and Psocoptera (booklice). Other synonyms for Exopterygota, which are less commonly used, include Neoptera, Paleoptera, and Orthopteroidea. Despite the varying names, Exopterygota remain a diverse and intriguing group of insects that play important roles in ecosystems worldwide.