Animals parasitised include molluscs, woodlice, millipedes, insects, mammals, and amphibians. A woodlouse (plural woodlice) is a crustacean from the monophyletic suborder Oniscidea within the isopods. Examples of detritivores include earthworms, woodlice and dung beetles. It is voracious and eats woodlice, slugs, beetles, caterpillars, flies, earthworms and even small mice. The woodlouse spider ("Dysdera crocata") is a species of spider that preys primarily upon woodlice. Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. Prey on land includes various insects, worms, spiders and woodlice. Isopoda is an order of crustaceans that includes woodlice and their relatives. Potter argued for the generic term "slaters" for the woodlice, but was overruled. Armadillidiidae is a family of woodlice, a terrestrial crustacean group in the order Isopoda. The Tractators were inspired by woodlice, which had infested his flat. It is also the most common species of woodlice found in Australia. Others, such as woodlice, lay their eggs on land, albeit in damp conditions. Porcellio is a genus of woodlice in the family Porcellionidae. Haplophilosciidae is a family of woodlice lacking pleopodal lungs.