Echinopsis (sea urchin)
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| Echinopsis (sea urchin) |
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| File:Glyphocyphidae - Echinopsis species.JPG | |
| Echinopsis from Sudan, perforated specimen to be threaded. On display at Galerie de paléontologie et d'anatomie comparée in Paris | |
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Echinopsis
Agassiz, 1840
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Echinopsis is an extinct genus of sea urchins in the class Echinoidea.
These slow-moving low-level epifaunal grazers lived from the Cretaceous to the Paleogene periods (125.45 - 5.332 Ma). Fossils of this genus have been found in the sediments of Madagascar, Pakistan, Senegal, Sudan, United States and Switzerland. [1]
References
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