Lin, Y.-T.; Zhuang, J.; Chen, L.; Zhong, L.; Wang, A. (2017). First record of Microstomidae (Platyhelminthes: Macrostomorpha) from China, and the phylogeny of one new species of Microstomum. Sichuan Journal of Zoology. 36(4) 441-449.

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Lin, Y.-T.; Zhuang, J.; Chen, L.; Zhong, L.; Wang, A.

2017

36(4) 441-449

Publication

Here we reported the first record of Microstomidae (Platyhelminthes Macrostomorpha) from China: Microstomum sinensis n. sp., which was collected at the Shekou port, Nanshan district, Shenzhen, Guangdong province, China (113[degree]54'48.50''E, 22[degree]28'58.30''N). Microstomum sinensis has 2 ways of reproduction: transverse fragmentation and sexual reproduction. All specimens have male genital organs with penis stylets. The length of the sickle-like penis stylet is 60-75 [mu]m. The base is in funnel shape. The diameter of penis stylet gradually decreases from the base to the distal end. The semi-suborbicular bend at the posterior 1/3 position of penis stylet locates beyond the dimension of the base. The distal opening is in sharp lobed shape. The phylogeny of the new species was studied based on partial 16S rDNA and 28S rDNA sequences to support our study.

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