Glyphocyphidae
| Glyphocyphidae Temporal range: | |
|---|---|
| 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 |
Glyphocyphidae is an extinct family of sea urchins in the class Echinoidea.
These slow-moving low-level epifaunal grazers lived from the Cretaceous to the Paleogene periods (136.4 to 48.6 Ma).
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