A woodlouse (plural woodlice) is a crustacean from the monophyletic suborder Oniscidea within the isopods. The humpback whale is a mammal which belongs to the baleen whale suborder. Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes. Some taxonomists identify shrimp with the infraorder Caridea and prawns with the suborder Dendrobranchiata. Lemuriformes is an infraorder of primate that falls under the suborder Strepsirrhini. The Pentatomoidea are a superfamily of insects in the Heteroptera suborder of the Hemiptera order. Sloths are in the taxonomic suborder Folivora of the order Pilosa. Parasitiformes is an order of Acari (treated as a suborder and superorder in outdated classifications). Lemurs are primates belonging to the suborder Strepsirrhini. This distinguishes them from the other suborder of cetaceans, the toothed whales (Odontoceti). Cimolodonta is, apparently, a natural (monophyletic) suborder. Porcupines are distributed into two evolutionarily independent groups within the suborder Hystricomorpha of the Rodentia. Ornithocheiridae is a group of pterosaurs within the suborder Pterodactyloidea. Amphicyonidae is an extinct family of terrestrial carnivorans belonging to the suborder Caniformia. The Reduviidae are members of the suborder Heteroptera of the order Hemiptera.