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Extinct family of sea urchins From Wikipedia, the free encyclopedia
Glyphocyphidae is an extinct family of sea urchins in the class Echinoidea.
Glyphocyphidae Temporal range: [1] | |
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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 |
Infraorder: | Temnopleuridea |
Family: | †Glyphocyphidae P. M. Duncan 1889 |
These slow-moving low-level epifaunal grazers lived from the Cretaceous to the Paleogene periods (136.4 to 48.6 Ma).[1]
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