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Isopoda is an order of crustaceans.Members of this group are called isopods and include both aquatic species and terrestrial 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.
Aega psora is the type species of the genus Aega and was first described by Carl Linnaeus in 1758. [1] It reaches 15 mm (0.6 in) in length and is mostly grey, with a faint dorsal stripe. [2]
Porcellio hoffmannseggii, commonly called the titan isopod, is a species of woodlouse of the genus Porcellio described in 1833. This very large species is native to the southern Iberian Peninsula , Morocco and the Balearic Islands.
Porcellio laevis directly develop from yolky eggs. Both the eggs and juveniles develop within a brood pouch called a marsupium until the first juvenile stage. [6] [7] The use of the marsupium eliminates the need for there to be an external water source for early development since it is filled with fluid from the mother isopod.
Glyptonotus antarcticus is a benthic marine isopod crustacean in the suborder Valvifera. This relatively large isopod is found in the Southern Ocean around Antarctica. It was first described by James Eights in 1852 and the type locality is the South Shetland Islands. [1]
The body surface is very smooth, exhibiting no granulation or minute tuberculation on magnification. The head is much longer and is rather flattened, exhibiting in a dorsal view a strongly convex anterior border and a concave posterior border that is considerably set back into the thorax. The eyes are more elongate and much less bulging.
Porcellionidae is a terrestrial family of the order Isopoda.. This family contains 530 species, found on every continent except Antarctica.. The ventral plate of the thoracic exoskeleton flare out slightly over the legs.
Hemilepistus reaumuri is a species of woodlouse or isopod that lives in and around the deserts of North Africa and the Middle East, "the driest habitat conquered by any species of crustacean, not including insects which are now known to be crustaceans pancrustacea". [3]