Macrostomorpha taxonomy and phylogeny

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Abstract:

A new species, Macrostomum xiamensis sp. nov. was discovered. It was collected from abundant nourishment water of lily pond in Putuo temple of Xiamen City, Fujian Province. It showed marked characteristic: acerose smooth penis stylet, no chitin valve in the surface. Its far-forth end show helical curly form. Angle between bend part and plane is 60°. Angle after planishing is 120°. The helical bend is more half circle. The penis stylet is like end of injector , opening at outboard part of helical bend. Holot ype XM-I-1, Paratypes XM-I-2-8 were found by WANG An-Tai in Putuo temple of Xiamen City, Fujian Province (24° 46' N ,118° 18' E ). All specimens were deposited in Morphological Research Institute of Shenzhen University.

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