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Issue: Vol. 4446 No. 1: 16 Jul. 2018
Type: Article
Published: 2018-07-16
DOI: 10.11646/zootaxa.4446.1.3
Page range: 39–50
Abstract views: 72
PDF downloaded: 1

A new species and new record of Polycystididae (Rhabdocoela: Kalyptorhynchia) from China

Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China Guangdong Engineering Research Center for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, PR China
Platyhelminthes Flatworm Rhabdocoela taxonomy 18S rDNA 28S rDNA

Abstract

One new species and one newly recorded species of Polycystididae from China, Paulodora sinensis n. sp. and Polycystis ali Schockaert, 1982, were described based on comprehensive morphological and molecular analyses. In Paulodora sinensis n. sp., the stylet is double-walled and is composed of a funnel-shaped proximal part and a spiral distal part, while the outer stylet forms a minor fold proximally. In Polycystis ali Schockaert, 1982, the stylet is also double-walled with a funnel-shaped proximal part. However, the collar-shaped distal part is partially concave and forms a jagged edge. The concatenated 18S rDNA and 28S rDNA phylogenetic analysis supports the establishment of the new species. Besides, based on the morphology of stylet, we have made detailed categorization among the recorded species within these two genera.

 

References

  1. Artois, T.J. & Tessens, B.S. (2008) Polycystididae (Rhabditophora: Rhabdocoela: Kalyptorhynchia) from the Indian Ocean, with the description of twelve new species. Zootaxa, 1849, 1–27.

    Artois, T.J. & Schockaert, E.R. (2001) Interstitial fauna of the Galapagos: Duplacrorhynchinae, Macrorhynchinae, Polycystidinae, Gyratricinae (Platyhelminthes Polycystididae). Tropical Zoology, 14 (1), 63–85.
    https://doi.org/10.1080/03946975.2001.10531143

    Artois, T.J. & Schockaert, E.R. (1998) A cladistic re-assessment of the Polycystis species complex (Polycystididae, Eukalyptorhynchia). Hydrobiologia, 383 (1–3), 97–102.
    https://doi.org/10.1023/A:1003435727011

    Evdonin, L.A. (1968) Polycystis orientalis sp. n. - a new representative of the proboscis turbellarians (Turbellaria, Neorhabdocoela, Kalyptorhynchia). Communications of the University of Leningrad Biology, 24, 32–40.

    Jouk, P.E.H. & De Vocht, A.J.P. (1989) Kalyptorhynchia (Plathelminthes Rhabdocoela) from the Kenyan coast, with descriptions of four new species. Tropical Zoology, 2 (2), 145–157.
    https://doi.org/10.1080/03946975.1989.10539435

    Karling, T.G. (1956) Morphologisch-histologische Untersuchungen an den mänlichen Atrialorganen der Kalyptorhynchia (Turbellaria). Arkiv för Zoologi, 9, 187–277.

    Karling, T.G. (1978) Anatomy and systematics of marine turbellaria from Bermuda. Zoologica Scripta, 7 (1–4), 225–248.
    https://doi.org/10.1111/j.1463-6409.1978.tb00605.x

    Karling, T.G. (1986) Free-living marine Rhabdocoela (Platyhelminthes) from the N. American Pacific coast. With remarks on species from other areas. Zoologica Scripta, 15 (3), 201–219.
    https://doi.org/10.1111/j.1463-6409.1986.tb00223.x

    Kölliker, A. (1845) Lineola, Chloriane, Polycystis, neue Wurmgattungen und neue arten von Nemertes. Verhandlungen der schweizerischen naturforschenden Gesellschaft, 29, 96–98.

    Lin, Y.T., Reygel, P., Feng, W.T., Chen, J.J., Tessens, B., Van Steenkiste, N.W.L., Schockaert, E.R., Artois, T.J. & Wang, A.T. (2017a) Four new species of the genus Paraustrorhynchus (Rhabdocoela: Kalyptorhynchia: Polycystididae). [unpublished]

    Lin, Y.T., Feng, W.T., Zhuang, J.Y., Wang, A.T. & Zhang, Y. (2017b) Two new species of Kalyptorhynchia (Koinocystididae and Gnathorhynchidae) from China. Zootaxa, 4337 (4), 573–583.
    https://doi.org/10.11646/zootaxa.4337.4.8

    Marcus, E. (1948) Turbellaria do Brasil. Boletim da Faculdade de Filosofia Ciencias e Letras Universidade de Sao Paulo Zoologica, 13, 111–243.

    Marcus, E. (1954) Turbellaria Brasileiros (11). Papeis Aruhos Dep Zool Secr Agric Sao Paulo, 11, 419–489.

    Pereyaslawzewa, S. (1892) Monographie des turbellaries de la Mer Noire. Schrift neuruss naturf Ges, 17 (3), 1–303.

    Rong, C.H., Liu, X.K., Zhao, J.Q. & Wang, A.T. (2016) Two new planarian species of Dalyelliidae (Platyhelminthes: Rhabdocoela). Sichuan Journal of Zoology, 35 (1), 97–103. [in Chinese]
    https://doi.org/10.11984/j.issn.1000-7083.20150217

    Schockaert E.R. (1982) Turbellaria from Somalia. Monitore Zoologico Italiano. Supplemento, 17 (1), 81–96.
    https://doi.org/10.1080/03749444.1982.10736660

    Schockaert, E.R. & Karling, T.G. (1975) Anatomy and taxonomy of some species of Polycystididae (Turbellaria, Kalyptorhynchia) from N. Atlantic and Mediterranean coastal areas. Zoologica Scripta, 4 (1), 133–143.
    https://doi.org/10.1111/j.1463-6409.1975.tb00725.x

    Tessens, B., Janssen, T. & Artois, T. (2014) Molecular phylogeny of Kalyptorhynchia (Rhabdocoela, Platyhelminthes) inferred from ribosomal sequence data. Zoologica Scripta, 43 (5), 519–530.
    https://doi.org/10.1111/zsc.12066

    Tu, T.J. (1934) Notes on some turbellarians from the Tsing Hua Campus. The Science Reports of National Tsing Hua University. Series B Biological and Psychological Science, 1, 191–206.

    Wang, A.T. & Li, H. (2005) A new species of the genus Gyratrix from a freshwater pond in Guangdong province, China (Rhabdocoela, Polycystididae). Acta Zootaxonomica Sinica, 30 (4), 721–724. [in Chinese]

    Willems, W.R., Schockaert, E.R. & Artois, T.J. (2006) Report on the Polycystididae (Rhabdocoela, Kalyptorhynchia) from Australia, with the description of twelve new species and six new genera. Hydrobiologia, 563 (1), 329–355.
    https://doi.org/10.1007/s10750-006-0041-3

    Zhang, L., Cai, H., Bao, S.Q., Zhou, J. & Wang, A.T. (2017) Gieysztoria knipovici, a new record of turbellarian species (Rhabdocoela, Dalyelliidae) from China with morphological description and phylogenetic analysis. Sichuan Journal of Zoology, 36 (1), 65–74. [in Chinese]
    https://doi.org/10.11984/j.issn.1000-7083.20160280