Prisopods are a class of crustaceans, including the species Psittaciformes and their closely related families. They are known for their ability to form hard shells that can withstand various environmental conditions, such as harsh sunlight or water.
Paraprisopods are a group of animals that belong to the order Paraprosopus, which includes all crustaceans and some other arthropods. They are characterized by their hard shell-like appendages known as proscaps or spines, which provide protection from predators and protect the body from waterlogged conditions.
