Revision of the sixgill sawsharks, genus Pliotrema (Chondrichthyes, Pristiophoriformes), with descriptions of two new species and a redescription of P. warreni Regan

• Simon Weigmann ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: simon.weigmann@elasmo-lab.de

  Affiliations Elasmo-Lab, Elasmobranch Research Laboratory, Hamburg, Germany, Center of Natural History, University of Hamburg, Hamburg, Germany

  http://orcid.org/0000-0003-4788-6630

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• Ofer Gon,

  Roles Investigation, Project administration, Resources, Visualization, Writing – review & editing

  Affiliation South African Institute for Aquatic Biodiversity, Grahamstown, South Africa

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• Ruth H. Leeney,

  Roles Investigation, Project administration, Resources, Writing – review & editing

  Affiliation Natural History Museum, London, United Kingdom

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• Ellen Barrowclift,

  Roles Resources, Writing – review & editing

  Affiliation School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, United Kingdom

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• Per Berggren,

  Roles Resources, Writing – review & editing

  Affiliation School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, United Kingdom

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• Narriman Jiddawi,

  Roles Resources, Writing – review & editing

  Affiliation Institute of Fisheries Research, Ministry of Agriculture, Natural Resources, Livestock and Fisheries, Zanzibar, Tanzania

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• Andrew J. Temple

  Roles Conceptualization, Project administration, Resources, Writing – review & editing

  Affiliation School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, United Kingdom

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