wang pei jun (163 Ergebnisse)

In this study, four new dextral camaenid from China are reported, based on shell morphology, reproductive system anatomy, and molecular phylogenetic analyses: Camaena funingensis Zhou, Wang & Lin, sp. nov., Camaena gaolongensis Zhou, Wang & Lin, sp. nov., Camaena maguanensis Zhou, Wang & Hu, sp. nov., and Camaena yulinensis Zhou, Wang & Hu, sp. nov. Detailed descriptions of the morphological characteristics including shells and genitalia, DNA sequences, and living environments of the four new species are provided, with further comparisons with congeners. New taxa: Camaena funingensis n. sp., Camaena gaolongensis n. sp., Camaena maguanensis n. sp., Camaena yulinensis n. sp. 22 pp., 9 figs, 5 tabs, gr. 8 [16.5 x 23.7 cm].

In this study, four new dextral camaenid from China are reported, based on shell morphology, reproductive system anatomy, and molecular phylogenetic analyses: Camaena funingensis Zhou, Wang & Lin, sp. nov., Camaena gaolongensis Zhou, Wang & Lin, sp. nov., Camaena maguanensis Zhou, Wang & Hu, sp. nov., and Camaena yulinensis Zhou, Wang & Hu, sp. nov. Detailed descriptions of the morphological characteristics including shells and genitalia, DNA sequences, and living environments of the four new species are provided, with further comparisons with congeners. 22 pp., 9 figs, gr. 8 [16.5 x 24 cm].

The camaenid land snail genus Camaena is widely distributed throughout Southeast Asia. Thirteen species are found in China alone. Among these, C. cicatricosa (Müller, 1774) is the most widely distributed species, including four subspecies, C. c. ducalis (Ancey, 1885), C. c. inflata (Möllendorff, 1885), C. c. obtecta (Fischer, 1898) and C. c. connectens (Dautzenberg & Fischer, 1906). The systematics of these taxa is revised herein based on comparative shell morphology and anatomy as well as analyses of DNA sequences of two mitochondrial genes (COI, 16S rRNA) and one nuclear marker, ITS2. We found that all subspecies form well-supported clades in a molecular phylogeny and are well-differentiated from each other by genetic distances that are consistent with amounts of interspecific differentiation. In addition, they clearly differ from each other in reproductive features. Based on these observations, we elevate all four subspecies to the rank of full species. Moreover, based on morphological and mitochdondrial differentiation, we describe a new species, Camaena poyuensis sp. n. from Guangxi, China. The new species conspicuously differs from its sibling species C. cicatricosa in having a larger and more depressed shell, a completely covered umbilicus, more or less purplish peristome, an obtuse angle at the junction of the basal and columellar lip, longer pedunculus of the bursa copulatrix, thicker epiphallus and penis, and short conic verge. Previous named species are also redescribed on their shell and anatomical characters, because the original descriptions are uninformative. New taxon: Camaena poyuensis n. sp. 24 pp., 5 figs, gr. 8.

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Soft cover. Zustand: New. Language:Chinese.Author:LUO CHANG PEI WANG JUN BIAN ZHU.Binding:.Publisher:Science Press.

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paperback. Zustand: New. Paperback.Pub Date:2022-07 Pages:232 Language:Chinese Publisher:Higher Education Press This book is a national planning textbook for vocational education in the 13th Five-Year Plan. This book is divided into four modules. including introductory chapter. consumer psychology chapter. service psychology chapter and management psychology chapter. The introductory chapter focuses on the management of service industry and psychology. the development overview of service psychology and research metho.

Soft cover. Zustand: New. Language:Chinese.Author:WANG PEI BO LI FU JUN.Binding:Soft cover.Publisher:Tsinghua University Press Pub. Date :2010-06-01.

paperback. Zustand: New. Language:Chinese.Paperback.Pub Date:2024-06 Pages:260 Publisher:CCP Party History Press The book The Fourth National Congress of the Communist Party of China was written by the Party History Office of the CPC Shanghai Hongkou District Committee. the CPC Fourth National Congress Memorial Hall. and the CPC Shanghai Hongkou District Committee Party School. The manuscript consists of an introduction and four parts. which mainly record the main situation before. during and after the Fourth Nationa.

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