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Name:
Gogia juvalorum
Age: Middle Cambrian
Formation: Spence Formation
Location: Antimony Canyon, Utah
Size: Center cystoid is 1.8 inches long
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Here is a fine multiple specimen of a rare Middle Cambrian cystoid. This is a Gogia juvalorum from the Antimony Canyon, Utah. This primitive echinoderm used to be known as an eocrinoid, but has now been re-classified as a cystoid. There is one complete example and three nice partials on the plate. The preservation of these primitive echinoderms is wonderful. The elongate, multi-plated, tail-like holdfast is very distinct, and the large-plated, ornate calyx is extremely detailed. The long, segmented arms are even preserved on one specimen, which is quite unusual. The cystoids have great natural color and contrast and are nicely showcased on the large, natural matrix plate. This is a very detailed multiple specimen of this rare, primitive echinoderm from the Spence Shale.
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