Genus Porcellio is a group of terrestrial isopods commonly known as "woodlice" or "pill bugs". There are several synonyms that can be used for Genus Porcellio, including Armadillidium, Cylisticus, and Oniscus. These synonyms refer to different species within the same family as Genus Porcellio. Despite their similarities, these species may differ in appearance, behavior, and geography. Woodlice are important decomposers in ecosystems, helping to break down dead plant material and enrich the soil. They are also popular in the pet trade due to their unique characteristics. Identifying synonyms for Genus Porcellio can enhance knowledge of these fascinating creatures.