“…The Wheeler Formation, Drumian, Cambrian Series 3, from the House Range of Utah is slightly younger than the Spence from the Wellsvile Mountains, and it too contains a diverse soft-bodied biota (Robison, 1964;Gunther and Gunther, 1981;Briggs and Robison, 1984;Rogers, 1984;Rees, 1986;Robison, 1991;Robison et al, 2015). There have been a substantial number of relatively recent sedimentological, taphonomic, and geochemical studies of the soft-bodied biota from this formation and region (e.g., Gaines andDroser, 2003, 2005;Briggs et al, 2008;Halgedahl et al, 2009;Gaines, 2014).…”
“…The Wheeler Formation, Drumian, Cambrian Series 3, from the House Range of Utah is slightly younger than the Spence from the Wellsvile Mountains, and it too contains a diverse soft-bodied biota (Robison, 1964;Gunther and Gunther, 1981;Briggs and Robison, 1984;Rogers, 1984;Rees, 1986;Robison, 1991;Robison et al, 2015). There have been a substantial number of relatively recent sedimentological, taphonomic, and geochemical studies of the soft-bodied biota from this formation and region (e.g., Gaines andDroser, 2003, 2005;Briggs et al, 2008;Halgedahl et al, 2009;Gaines, 2014).…”
“…The middle Cambrian (Series 3, Stage 5) Wheeler Shale of central Utah, USA is a fine-grained siliciclastic unit that was deposited within a fault-controlled trough that developed during the middle Cambrian known as the House Range Embayment (Rees, 1986). The development of the House Range embayment created two broad depositional settings: a relatively shallow carbonate shelf to the east and a deepwater trough to the west (Rees, 1986;Elrick and Snider, 2002).…”
Section: Wheeler Shalementioning
confidence: 99%
“…The development of the House Range embayment created two broad depositional settings: a relatively shallow carbonate shelf to the east and a deepwater trough to the west (Rees, 1986;Elrick and Snider, 2002). The Wheeler Shale is preserved both in the trough and on the platform.…”
“…Hintze and Robison (1975) reviewed regional stratigraphic relationships of the formation. Rees (1986), , Gaines, Kennedy, and Droser (2005), Howley, Reese, and Jiang (2006), Babcock and others (2007), Elrick and Hinnov (2007), Brett and others (2009), Halgedahl and others (2009), and Howley and Jiang (2010), have provided more detailed information about its stratigraphy and depositional environments. One of us (S.B.C.)…”
Emeraldella is a rare arthropod of relatively large body size that belongs with the trilobite-like arthropods, Artiopoda. E. brutoni n. sp. from the Wheeler Formation of west-central Utah is the second species described and marks the first confirmed occurrence of Emeraldella outside the Burgess Shale of British Columbia. An articulated, flagelliform telson, similar to that of the Burgess Shale taxon Molaria, is recognized in Emeraldella. Evidence for the presence of lamellae on the exopods of Molaria is presented, supporting affinity of that taxon with Artiopoda. A close relationship between Emeraldella and Molaria is tentatively suggested, based on the morphology of tergites and telson.
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