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Article: A diverse chasmataspidid (Arthropoda: Chelicerata) fauna from the Early Devonian (Lochkovian) of Siberia

Publication: Palaeontology
Volume: 57
Part: 3
Publication Date: May 2014
Page(s): 631 655
Author(s): <p>David J. Marshall, James C. Lamsdell, Evgeniy Shpinev&nbsp;and Simon J. Braddy</p>
Addition Information

How to Cite

MARSHALL, D.J., LAMSDELL, J.C., SHPINEV, E., BRADDY, S.J., 2014, A diverse chasmataspidid (Arthropoda: Chelicerata) fauna from the Early Devonian (Lochkovian) of Siberia. Palaeontology57, 3, 631–655. doi: 10.1111/pala.12080

Author Information

  • David J. Marshall - Palaeocast, Manchester, UK (email: dave@palaeocast.com)
  • James C. Lamsdell - Paleontological Institute and Department of Geology, University of Kansas, Lawrence, Kansas, USA (email: lamsdell@ku.edu)
  • Evgeniy Shpinev - Laboratory of Arthropods, Borissyak Palaeontological Institute of Russian Academy of Science, Moscow (email: haladdin-2@yandex.ru)
  • Simon J. Braddy - Department of Earth Sciences, University of Bristol, Bristol, UK (email: s.j.braddy@bristol.ac.uk)

Publication History

  • Issue published online: 7 MAY 2014
  • Article first published online: 18 NOV 2013
  • Manuscript Accepted: 27 AUG 2013
  • Manuscript Received: 31 DEC 2012

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Wiley Online Library
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Abstract

Examination of material held at the Palaeontological Institute, Moscow, enables the identification of two novel chasmataspidid species: Nahlyostaspis bergstroemi gen. et sp. nov. and Skrytyaspis andersoni gen. et sp. nov. ‘Eurypterus’ stoermeri and ‘Tylopterella’ menneri are both redescribed as chasmataspidids, having previously been assigned to Eurypterida. ‘T’. menneri is transferred to the new genus Dvulikiaspis gen. nov. An identical prosomal structure is identified in ‘Eurypterus’ stoermeri and Heteroaspis novojilovi from the Devonian of Germany and the two species are synonymized, with ‘E’ stoermeri having priority. The previous synonymy of H. novojilovi with Diploaspis casteri is rejected. The presence of ophthalmic ridges is confirmed within Diploaspididae, and new structural characteristics of their bucklers are identified.

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