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Siphonophorida
Siphonophorida (Greek for "tube bearer") is an order of millipedes containing two families and over 100 species. This order includes the millipede with the most legs, ''Illacme plenipes''.〔
==Description==
Millipedes in the order Siphonophorida are long and worm-like, reaching up to in length and up to 190 body segments. Eyes are absent, and in many species the head is elongated into a long beak, with mandibles highly reduced. The beak may serve in a suctorial function. The body has a dense covering of fine setae. Each body segment consists of a dorsal tergite, two lateral pleurites, and ventral sternite, which are unfused. The male reproductive appendages (gonopods) are simple and leg-like, consisting of the ninth and 10th leg pairs. This lack of specialization has led to Siphonophorida being called a "taxonomist's nightmare", and Jeekel (cited in〔) jokingly gave the order the "taxonomists' award for least popular group among diplopods".
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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