Platyarthridae is a

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

woodlice A woodlouse (plural woodlice) is an isopod crustacean from the polyphyleticThe current consensus is that Oniscidea is actually triphyletic suborder Oniscidea within the order Isopoda. They get their name from often being found in old wood. ...

, containing the following genera: *'' Cephaloniscus'' Ferrara & Taiti, 1989 *'' Echinochaetus'' Ferrara & Schmalfuss, 1983 *'' Gerufa'' Budde-Lund, 1909 *'' Lanceochaetus'' Schmalfuss & Ferrara, 1978 *'' Manibia'' Barnard, 1932 *''

Niambia Niambia is a ''commune'' in the Cercle of Bafoulabé in the Kayes Region of south-western Mali. The main village (''chef-lieu'') is Horokoto Horokoto is a village and principal settlement ('' chef-lieu'') of the commune of Niambia in the ...

'' Budde-Lund, 1904 *'' Papuasoniscus'' Vandel, 1973 *''

Platyarthrus ''Platyarthrus'' is a genus of woodlouse, woodlice in the family Platyarthridae. There are more than 30 described species in ''Platyarthrus''. Species These 39 species belong to the genus ''Platyarthrus'': * ''Platyarthrus acropyga'' Chopra, 19 ...

'' Brandt, 1833 *''

Trichorhina ''Trichorhina'' is a genus of woodlice in the family Platyarthridae Platyarthridae is a family of woodlice, containing the following genera: *'' Cephaloniscus'' Ferrara & Taiti, 1989 *'' Echinochaetus'' Ferrara & Schmalfuss, 1983 *'' Gerufa' ...

'' Budde-Lund, 1908 They are mostly less than long, and cannot roll into a ball (

conglobate Volvation (from Latin ''volvere'' "roll", and the suffix ''-(a)tion''; sometimes called enrollment or conglobation), is a defensive behavior in certain animals, in which the animal rolls its own body into a ball, presenting only the hardest part ...

). They have no lungs on the

pleopod The decapod (crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon (abdomen). Each segment may possess one pair of appendages, although in various ...

s, and have very small

compound eye A compound eye is a visual organ found in arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, which are tiny independent photoreception units that consist of a cornea, lens, and photoreceptor cells which dis ...

s, with fewer than 10

ommatidia The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium). An ommatidium contains a cluster of photoreceptor cells surrounded by support cells and pigment cells. T ...

. They are similar to members of the family

Trachelipodidae Trachelipodidae is a family of woodlice, containing the following genera: *'' Levantoniscus'' Cardoso, Taiti & Sfenthourakis, 2015 (3 species) *'' Nagurus'' Holthuis, 1949 (40 species) *'' Pagana'' Budde-Lund, 1908 (5 species) *'' Panchaia'' Tai ...

, which do have

pleopodal lungs Pleopodal lungs are an anatomical feature of terrestrial isopods and a component of their respiratory system. They are ancestrally derived from pleopodal gills, and they facilitate gas exchange on land. They perform a similar function as spiracl ...

, although the lungs can be inconspicuous.

References

Woodlice Crustacean families Taxa named by Karl Wilhelm Verhoeff {{isopod-stub

See also

References