Armadillidium is a genus of the small terrestrial crustacean known as the woodlouse. Armadillidium are also commonly known as pill woodlice, leg pebbles, pill bugs, roly-poly, or potato bugs, and are often confused with pill millipedes such as Glomeris marginata. They are characterised by their ability to roll into a ball ("volvation") when disturbed.
Porcellionidae is a terrestrial family of the order Isopoda.
Mahehia is a genus of woodlice in the family Porcellionidae, which is endemic to the Seychelles. It contains the following species:
Lucasius is a genus of the family Porcellionidae. It includes the following species:
Porcellionides is a genus of woodlice in the family Porcellionidae. It includes the following species :
Hemilepistus is a genus of woodlice, created by G. H. A. Budde-Lund in 1879 as a subgenus of Porcellio, but raised to the rank of genus by Karl Wilhelm Verhoeff in 1930. It contains the following species:
Porcellio pumicatus is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae. This species is known to occur in Central Italy and on Sardinia. Adults reach about 15 millimetres (0.59 in) long and can mostly be encountered under stones.
Platyarthridae is a family of woodlice, containing the following genera:
Trachelipodidae is a family of woodlice, containing the following genera:
Trachelipus is a genus of woodlice in the family Trachelipodidae, containing the following species:
Armadillidae is a family of woodlice, comprising around 80 genera and 700 species. It is the largest family of Oniscidea, and one of the most species-rich families of the entire Isopoda. Armadillids generally have a strongly convex body shape, with some rather shallowly convex. Like members of the woodlice family Armadillidiidae, armadillids are capable of enrolling into a sphere (conglobation), and are commonly known as pill bugs. Armadillids differ from the Armadillidiidae in that the antennae are fully enclosed within the sphere.
Armadillidium nasatum is a large, Britain-based species of woodlouse that has been introduced to North America, along with Armadillidium vulgare also found in other parts of Europe.
Scleropactidae is a family of woodlice, with a predominantly Gondwanan distribution. It contains the following genera:
Niambia is a genus of woodlice in the family Platyarthridae. There are at least 20 described species in Niambia.
Rhyscotidae is a family of woodlice, terrestrial crustaceans of the order Isopoda.
Rhyscotus rotundatus is a species of armadillo woodlice, a terrestrial crustacean isopod of the family Rhyscotidae. It is endemic to the island of São Tomé in São Tomé and Príncipe. The species was described in 1978 by Helmut Schmalfuss and Franco Ferrara.
Tylos is a genus of woodlice in the family Tylidae. There are at least 20 described species in Tylos. All the species in this family can roll up into a perfect ball and live on sandy beaches.
Alloniscus is the sole genus in the woodlice family Alloniscidae. There are more than 20 described species in Alloniscus.
Armadilloniscus is a genus of woodlice in the family Detonidae. There are more than 30 described species in Armadilloniscus.
Cylisticus is a genus of woodlice in the family Cylisticidae. There are at least 70 described species in Cylisticus.
