👉 Perisphinctidae is a family of animals that includes the following: 1. Perisphinctidae (also known as the "chicken fly") - This group includes several species of small, flat-bodied insects such as the chicken fly, which are known for their large wings and long legs. 2. Perisphinctidae (also known as the "duck fly") - This group includes a wide variety of other small, flat-bodied insects that are commonly found in