Original: Spiny lobsters , also known as langouste or rock lobsters are a family ( Palinuridae ) of about 45 species of achelate crustaceans , in the Decapoda Reptantia .
Simplified: Spiny lobsters , also known as rock lobsters are a family ( Palinuridae ) of about 45 species of crustaceans , in the Decapoda Reptantia .