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A New ?lamellipedian arthropod from the Early Cambrian Sirius Passet Fauna of North Greenland

Published online by Cambridge University Press:  14 July 2015

Linda Lagebro ,
Martin Stein  and
John S. Peel
Linda Lagebro
Affiliation:
1Department of Earth Sciences, Paleobiology, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden,
Martin Stein
Affiliation:
1Department of Earth Sciences, Paleobiology, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden, 2present address: Museum of Evolution, Uppsala University, Norbyvägen 16, SE-752 36 Uppsala, Sweden,
John S. Peel
Affiliation:
1Department of Earth Sciences, Paleobiology, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden,
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Extract

The Non-Mineralized arthropod described herein is derived from the Sirius Passet fossil conservation deposit of North Greenland (82°47.6,N, 42°13.7ʹW), the oldest locality with exceptional preservation of soft tissues known from the Cambrian of Laurentia (Cambrian Series 2, Stage 3; Nevadella Zone). As such, it is broadly contemporaneous with the Chengjiang fauna of China (Hou et al., 2004) and some 10 million years older than the Burgess Shale fauna of British Columbia. The Sirius Passet fauna was first documented by Conway Morris et al. (1987) and its geological setting is discussed by Babcock and Peel (2007). In addition to the nevadiid trilobite Buenellus higginsi Blaker, 1988, the fauna is dominated by non-mineralized arthropods (Budd, 1993, 1995, 1997, 1999; Williams et al., 1996; Taylor, 2002). Other finds include sponges (Rigby, 1986), a lobopod (Budd and Peel, 1998), the earliest annelids (Conway Morris and Peel, 2008) and articulated halkieriids (Conway Morris and Peel, 1990, 1995), but most of the assemblage awaits description.

Type
Paleontological Notes
Information
Journal of Paleontology , Volume 83 , Issue 5 , September 2009 , pp. 820 - 825
Copyright
Copyright © The Paleontological Society 

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