ArmadillidiumCharacteristics - Classification of...

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Unformatted text preview: Classification of Armadillidium vulgare Domain… Domain Kingdom… Eukarya Eukarya Animalia Animalia Phylum… Arthropoda Arthropoda Segmentation, hard exoskeleton, and jointed appendages; includes spiders, scorpions, millipedes, centipedes, insects, crabs, lobsters, and shrimp insects, Subphylum… Crustacea Crustacea Body of two or three parts, antennae, chewing mouthparts, three or more pairs of legs, mostly marine; crabs, lobsters, crayfish, and shrimp lobsters, Class… Malacostraca Malacostraca Large and diverse group of crustaceans that have a total of 19-20 segments; 5 segments - cephalon or head, 8 segments - thorax, and 6 or 7 segments - abdomen. segments Order… Isopoda Isopoda An order of malacostracan crustaceans characterized by a cephalon bearing one pair of maxillipeds in addition to the antennae, mandibles, and maxillae. addition Suborder… Oniscidea Terrestrial isopods Family… Armadillidiidae Armadillidiidae Armadillidiidae can roll into a ball, as opposed to the species of family Porcellionidae (sowbugs), which can not Armadillidiidae roll up. roll Genus… Species… • • • • • • • • • • • • vulgare vulgare Armadillidium Armadillidium Characteristics of Armadillidium vulgare Average adult size 18 mm Well-developed eyes Modified gills called pseudotrachea - moisture is essential Seven pairs of legs Overlapping armored plates Females carry eggs in brood pouch on underside of body once or twice each summer Live on decaying organic matter (detritivores) Dorso-ventrally flattened Can curl into a ball (sowbugs can’t) Active at night (nocturnal) Can live up to four years; more likely, two to three years Natural predators: frogs, newts, toads, small mammals, spiders ...
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