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A new middle Cambrian bradoriid arthropod from Greenland and western Canada

Published online by Cambridge University Press:  09 March 2015

John S. Peel  and
Michael Streng
John S. Peel
Affiliation:
Department of Earth Sciences (Palaeobiology), Uppsala University, Villavägen 16, Uppsala, SE-752 36, Sweden, 〈[email protected]〉, 〈[email protected]〉
Michael Streng
Affiliation:
Department of Earth Sciences (Palaeobiology), Uppsala University, Villavägen 16, Uppsala, SE-752 36, Sweden, 〈[email protected]〉, 〈[email protected]〉
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Abstract

Circum-Laurentian middle Cambrian (Cambrian Series 3) deposits in Greenland and British Columbia yield a new hipponicharionid bradoriid arthropod, Flumenoglacies n. gen., characterized by a comarginal, ramp-like structure which is crested by a continuous lobe. The narrow lobe is the result of the medial fusion of anterior and posterior lobes, seemingly a recurrent theme in hipponicharionid evolution. The type species, F. groenlandica n. sp., is described from the Ekspedition Brae Formation (Drumian Stage) of Peary Land but the description of two unnamed species from slightly older middle Cambrian strata of the Stephen Formation of British Columbia provides additional evidence for the wide distribution of Small Shelly Faunas during the Cambrian.

Type
Articles
Information
Journal of Paleontology , Volume 89 , Issue 1 , January 2015 , pp. 96 - 102
Copyright
Copyright © 2015, The Paleontological Society 

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