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Early Devonian stylonurine eurypterids from Arctic Canada

James C. Lamsdell, Simon J. Braddy, Elizabeth J. Loeffler and David L. Dineley
Early Devonian stylonurine eurypterids from Arctic Canada
Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre (November 2010) 47 (11): 1405-1415

Abstract

Two new stylonurine eurypterids are described from the Peel Sound Formation (Early Devonian, Lochkovian) of the northern coast of Prince of Wales Island, Nunavut, Arctic Canada. Associations including pteraspids and ostracodes indicate a fluvial depositional environment. An almost complete stylonurid, Pagea plotnicki sp. nov., is recognized by its large size and lack of vaulting on the carapace, and it provides evidence that Stylonurus and Pagea are sister-taxa. Also, a smaller incomplete rhenopterid assigned to Leiopterella tetliei gen. et sp. nov., is characterized by its broad turbinate carapace and lack of cuticular sculpture. This assemblage provides the first Canadian record of Pagea, and the youngest occurrence of a rhenopterid outside the Rheno-Hercynian Terrane, indicating that these taxa were more geographically widespread than previously supposed.


ISSN: 0008-4077
EISSN: 1480-3313
Coden: CJESAP
Serial Title: Canadian Journal of Earth Sciences = Revue Canadienne des Sciences de la Terre
Serial Volume: 47
Serial Issue: 11
Title: Early Devonian stylonurine eurypterids from Arctic Canada
Affiliation: University of Bristol, Department of Earth Sciences, Bristol, United Kingdom
Pages: 1405-1415
Published: 201011
Text Language: English
Summary Language: French
Publisher: National Research Council of Canada, Ottawa, ON, Canada
References: 39
Accession Number: 2011-015678
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Annotation: Includes appendix
Illustration Description: illus. incl. 1 table
N52°00'00" - N83°00'00", W136°30'00" - W61°00'00"
Country of Publication: Canada
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 201110
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