Isopoda is an order of crustaceans. Members of this group are called isopods and include both terrestrial and aquatic species such as woodlice. All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen that are used in respiration. Females brood their young in a pouch under their thorax.
Sphaeromatidae is a family of isopods, often encountered on rocky shores and in shelf waters in temperate zones. The family includes almost 100 genera and 619 known marine species. Within these genera, there are groups that share distinctive morphologies; further research may reclassify these genus-groups as separate families.
Epicaridea is a former suborder of isopods, now treated as an infraorder in suborder Cymothoida. They are ectoparasites that inhabit other crustaceans, namely ostracods, copepods, barnacles and malacostracans. Epicarideans are found globally. Epicaridea are generally less well researched than other isopods.
Curassanthura is a genus of isopod crustaceans in the family Leptanthuridae. It contains the following species:
Anthuroidea is a superfamily of isopod crustaceans, formerly treated as a suborder, Anthuridea. The group is characterised by "an elongate cylindrical body form, without dorsal coxal plates, and with a uropodal exopod attached to the peduncle proximally and dorsally". There are more than 500 described species in 57 genera, arranged across six families:
Pentidotea wosnesenskii is a marine isopod which lives on seaweed on rocky shores along the British Columbia and Washington coastlines, as far south as San Francisco. It can often be found hiding under rockweed in the intertidal zone, and can be found in depths up to 919 metres (3,015 ft). It was described as Idotea wosnesenskii in 1851, by Johann Friedrich von Brandt, and is named after the Russian biologist Ilya G. Voznesensky. The isopod grows up to 4 centimetres (1.6 in) in length and is usually green in colour.
The Idoteidae are a family of isopod crustaceans. It includes these genera:
The Leptanthuridae are a family of isopod crustaceans, containing the following genera:
Sphaeromatidea is a suborder of isopod crustaceans.
Phoratopus remex is a species of isopod crustaceans known from only two specimens, and first described in 1925 by Herbert Matthew Hale (1895–1963). It lives on the continental shelf at Encounter Bay and Fowlers Bay, South Australia. Unlike all other Isopods, it is placed in its own family, Phoratopodidae and suborder, Phoratopidea.
Chiridotea is a genus of isopod crustaceans in the family Chaetiliidae, containing the following species:
The Chaetiliidae are a family of isopod crustaceans in the suborder Valvifera, comprising these genera:
Saduria is a genus of benthic isopod crustaceans in the family Chaetiliidae, containing the following species:
Serolidae is a family of isopod crustaceans. The family encompasses 22 genera with 109 species. These species are exclusively marine and are distributed across the marine realms as follows: one species can be found in the Temperate Northern Atlantic, one species in the Temperate Northern Pacific, seven species in the Tropical Atlantic, six species in the Central Indo-Pacific, 16 species in Temperate South America, one species in Temperate Southern Africa, 20 species in Temperate Australasia, and 31 species in the Southern Ocean.
The Arcturidae are a family of marine isopod crustaceans in the suborder Valvifera. Members of the family resemble woodlice and are found globally in cooler areas in shallow seas.
Brucerolis is a genus of isopods in the family Serolidae, found in the Southern Ocean.
Brucerolis nowra is a species of isopods in the family Serolidae, found in marine waters off Nowra in New South Wales.
Brucerolis bromleyana is a benthic species of isopods in the family Serolidae, found in the Southern Ocean.
Ulakanthura is a genus of isopod crustaceans within the family Leptanthuridae, containing 7 species.
Myopiarolis norfanz is a species of isopoda crustacean in the family Serolidae and was first described by Niel L. Bruce in 2009. It was named in honour of the NORFANZ Expedition.
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