RARE Undescribed Emeraldella Arthropod from Cambrian Utah
"similar to Burgess Shale"

Emeraldella sp (?)

Lamellipedia (Trilobitomorpha), Emeraldellidae

Geological Time: Upper Middle Cambrian

Size (25.4mm=1 inch): 31 mm long by 15 mm wide on a 125 mm by 90 mm

Fossil Site: Weeks Formation, House Range, Millard County, Utah

Fossil Code: UB113

Price: $425.00

EmeraldellaDescription: This unusual specimen has trilobitomorph features, and has as yet not been described in the Emeraldella Burgess Shale Arthropodliterature. It is thought to have affinities with the Burgess Shale genus Emeraldella, but has a broader aspect than examples I have posted (see my other offerings). Notice that the end of the pointed tail spine is present, a feature not always preserved with either the Trilobitomorphs or the Aglaspidids of the region. Any collector of Cambrian fossils from Utah would be pleased to add such an exceptional example.

Briggs D.E.G., and R.A. Robison. 1984. Exceptionally preserved non trilobite arthropods and Anomalocaris from the Middle Cambrian of Utah. University of Kansas Paleontological Contributions, Paper 111:1-24.

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