Echinopsis (sea urchin)
Extinct genus of sea urchins / From Wikipedia, the free encyclopedia
Echinopsis is an extinct genus of sea urchins in the class Echinoidea.
Quick Facts Scientific classification ...
Echinopsis | |
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Echinopsis from Sudan, perforated specimen to be threaded. On display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Order: | Camarodonta |
Family: | †Glyphocyphidae |
Genus: | †Echinopsis Agassiz, 1840 |
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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]