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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 31, No. 4, 2010, pp. 381-386
Bioline Code: zr10051
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 31, No. 4, 2010, pp. 381-386

 en Preliminary Classification and Phylogenetic Relationship Among Onchidiidae in China Inferred from 18S rRNA Partial Sequence
Wu, Wen-Jian; Shen, Bin; Chen Cheng; Shen, He-Ding; Wei, Luan-Luan; Wang, Ling & Li, Kai

Abstract

As a nutritious mollusk living in the intertidal zone, Onchidiidae has a significant value for biological research. Nine populations were collected from the costal areas such as Chongming (Shanghai), Ningde (Fujian), Haikou (Hainan) in this study. Through the study of anatomy and other methods to investigate the major category characteristics, the nine populations were preliminary classified. By sequencing segments of 18S rRNA gene and constructing phylogenetic trees using these nine populations and four other 18S rRNA gene sequences from GenBank, with Siphonaria as an outgroup, we analyzed the phylogeny of Onchidiidae in mainland China. The trees were used for discussing the relationship between the populations of the Onchidiidae in this study. The results showed that the southern coast has more populations than the northern coast in China. Besides two known species, Onchidium struma check for this species in other resources (JZH) and O. verruculatum (FJZ & HNZ), five new recorded species may exist: Onchidium check for this species in other resources (1), Platevindex check for this species in other resources (2), one Peronia check for this species in other resources (1) and Paraoncidium check for this species in other resources (1). The phylogenetic trees indicated that the nine populations can be divided into four subgroups, Peronia, Onchidium, Platevindex and Paraoncidium, and Peronia has the highest confidence level in clustering. Onchidium verruculatum check for this species in other resources (FJZ & HNZ) should be Peronia verruculata check for this species in other resources .

Keywords
Onchidiidae; Preliminary classification; 18S rRNA; Phylogenetic

 
© Copyright 2010 Kunming Institute of Zoology, the Chinese Academy of Sciences
Alternative site location: http://www.zoores.ac.cn/

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