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Dipturus wuhanlingi, a new species of skates (Elasmobranchii: Rajidae) from China

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Abstract

Dipturus wuhanlingi, a new rajid species, is described from an immature male and female collected from the southern East China Sea and off Haimen, Shantou, in the South China Sea, respectively. The specimens conform to the genus Dipturus in having the combination of the following characters: a long rostral cartilage (length more than 60% of dorsal head length), greatly depressed and laterally expanded mesocondyle, and a total length greater than 55 cm when adult. Dipturus wuhanlingi is distinct from all other Dipturus species in the following combination of characters: a pair of scapular thorns, three or four nuchal thorns, an irregular row of lumbar thorns along the dorsal midline of the disc, a single row of tail thorns in both sexes, pores of ampullae of Lorenzini extending to just anterior to the pelvic girdle, anterior fenestra of scapulocoracoid strongly horizontally elliptical, mesocondyle located at about the middle between the procondyle and metacondyle, and three pairs of obturator foramina on the pelvic girdle.

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Acknowledgments

We wish to express our sincere thanks to Q.-W. Meng (formerly SFC) and H. Ishihara (W & I Associates Cooperation, Japan) for their valuable comments on the western North Pacific skates. We are grateful to H.-L. Wu and J.-S. Zhong (SFC), K. Amaoka (formerly HUMZ), K. Nakaya (HUMZ), K. Sato (OCA) and H. Ishihara for the loan of specimens. Our thanks go to R. Ishiyama (formerly MTUF), J.D. McEachran (TAMU), M.F.W. Stehmann (ICHTHYS), P.R. Last (CSIRO), B. Séret (MNHN), U.L. Gomes (UERJ), J.M.R. Soto and M.M. Mincarone (UNIVALI) for assistance with literatures. Thanks also to G. Hardy (Whangarei, New Zealand) for his comments and English correction.

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Authors and Affiliations

  1. Research Center for Coastal Environments of Yellow Sea, Department of Oceanography, Inha University, Incheon, 402-751, Republic of Korea

    Choong-Hoon Jeong

  2. The Kyoto University Museum, Kyoto University, Kyoto, 606-8501, Japan

    Tetsuji Nakabo

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  1. Choong-Hoon Jeong
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  2. Tetsuji Nakabo
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Correspondence to Choong-Hoon Jeong.

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Jeong, CH., Nakabo, T. Dipturus wuhanlingi, a new species of skates (Elasmobranchii: Rajidae) from China. Ichthyol Res 55, 183–190 (2008). https://doi.org/10.1007/s10228-007-0031-0

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  • DOI: https://doi.org/10.1007/s10228-007-0031-0

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