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Name:
Acrosalenia hemicidaroides
Age: Middle Jurassic
Formation: Grand Oolithe Layers
Location: Neufchateau, Vosges, France
Size: Plate is 3.5'' X 3.7''
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Here is a very collectible echinoid fossil. This is a pair of Acrosalenia hemicidaroides from the Jurassic of France. These 3-dimensional echinoids are very ornate and exhibit wonderful detail. The knobby nature of the sea urchins are quite distinct, and the narrow ambulacra can even be seen. Many of the long spines are still attached to the tests, which is EXTREMELY rare. Some of the thin, tiny spines are also present. The fossils have very good color and contrast and are well presented on the block of limestone that contains many other fragments of both echinoids and crinoids. This is a great double specimen of this highly unusual echinoid from the Jurassic of France.
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