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Article: Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south‐western Germany)

Papers in Palaeontology - Volume 4 Part 2 - Cover Image
Publication: Palaeontology
Volume: 4
Part: 2
Publication Date: May 2018
Page(s): 277 292
Author(s): Markus Poschmann, Alexandra Bergmann, and Gabriele Kühl
DOI: 10.1002/spp2.1106
Addition Information

How to Cite

POSCHMANN, M., BERGMANN, A., KüHL, G. 2018. Appendages, functional morphology and possible sexual dimorphism in a new ceratiocaridid (Malacostraca, Phyllocarida) from the Early Devonian Hunsrück Slate (south‐western Germany). Papers in Palaeontology, 4, 2, 277-292. DOI: 10.1002/spp2.1106

Author Information

  • Markus Poschmann - Generaldirektion Kulturelles Erbe RLP Direktion Landesarchäologie/Erdgeschichte Niederberger Höhe 1 56077 Koblenz Germany
  • Alexandra Bergmann - Division of Palaeontology Steinmann Institute for Geology, Mineralogy & Palaeontology Nussallee 8 53115 Bonn Germany
  • Gabriele Kühl - Division of Palaeontology Steinmann Institute for Geology, Mineralogy & Palaeontology Nussallee 8 53115 Bonn Germany

Publication History

  • Issue published online: 07 May 2018
  • Manuscript Accepted: 26 November 2017
  • Manuscript Received: 11 September 2017

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Abstract

We describe a new archaeostracan phyllocarid from the famous Early Devonian Hunsrück Slate, Germany. Morphological features suggest a new ceratiocaridid species for which we propose the name Ceratiocaris harpago sp. nov. The exceptionally well‐preserved holotype specimen is the most completely known ceratiocaridid with an almost entire set of appendages including biflagellate antenniform antennules, robust uniramous antennae with hook‐like flagellum, thoracopods densely covered with setae and probably six pairs of pleopods. A nectobenthic lifestyle is considered the most probable and the clasper‐like morphology of the antennae suggests the presence of a sexual dimorphism in this taxon, with the holotype specimen being a male individual.

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