branchiopod crustacean: aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding
crustacean: any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
pseudepigrapha: 52 texts written between 200 BC and AD 200 but ascribed to various prophets and kings in the Hebrew scriptures; many are apocalyptic in nature