👉 Austrosomatidia is a group of organisms that belong to the superfamily Astropodia, which includes insects and spiders. These organisms have four arms (axils), which are specialized for grasping objects. They also possess two legs (legs) and an anal appendage called the anal sac or "paw," which they use for digging burrows and accessing underground resources. The term was first described by Carl Linnaeus in 1753, and it is named