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Name:
Chancelloria pentacta
Age: Middle Cambrian
Formation: Wheeler Formation
Location: Millard County, Utah
Size: Plate is 5.8'' X 5.9''
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Here is a fantastic plate of unusual Cambrian fossils. This is a rare multiple slab of Chancelloria pentacta from the Wheeler Formation of Utah. This type of animal is sort of an enigma, and has been found in the Burgess Shale fauna. It was first thought to be a "glass sponge", but it has now been described as a "coeloscleritophoran". There are three examples of this strange fossil on the plate. All of the fossils have great form and exhibit fine detail - the star-shaped sclerites are easily seen. The reddish-orange color of the fossils is totally natural, and they contrast beautifully with the grayish-tan matrix. They are well presented on the large plate of shale. This is a very displayable specimen of this puzzling Middle Cambrian animal.
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