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Sinocallipus
''Sinocallipus '' is a genus of predominantly cave-dwelling millipedes in the order Callipodida. Five of the six known species are found in limestone caves on the Indochinese Peninsula from Vietnam to southern China, and it is the only callipodidan genus entirely confined to the tropics. Individuals range from long and possess 55 to 70 segments. ''Sinocallipus'' is the sole taxon of the callipodidan suborder Sinocallipodidea, and thought to be the most primitive and sister group to all other callipodidans.〔
In contrast to many other millipede groups, the gonopods (reproductive legs) of ''Sinocallipus'' show little variation between species, while other characters such as color, size, and other body parts differ more noticeably between species.〔
==Species==
All species except ''S. thai'' have been collected solely from caves, and show troglomorphic (cave-adapted) traits such as pale coloration, long antennae, and long legs. ''S. jaegeri'' and ''S. simplipodicus'' show reduced eyes, consisting of only 10 to 16 colorless ocelli each, while the other species have 33 to 50 black ocelli. ''S. thai'' is unique for its dark coloration and terrestrial habitat, and corresponsdingly has the most ocelli and shortest antennae.〔
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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