Details
From the early Cretaceous (circa 135 million years ago), the 912-inch specimen of Cleoniceras sp. cut and polished to reveal inner chambers, some suture lines visible on reveres, each supported on stand.
Each: 912 x 8 x 1in. (24 x 20.5 x 2.5cm.)
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Sculpted by Nature: Fossils, Minerals and Meteorites
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