Glyphocyphidae
| Glyphocyphidae Temporal range: Cretaceous–Paleogene | |
|---|---|
 | |
| Echinopsis from Sudan, perforated specimen to be threaded. On display at Galerie de paléontologie et d'anatomie comparée in Paris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Superorder: | Echinacea |
| Order: | Camarodonta |
| 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). [1]
Genera
- Ambipleurus Lambert, 1932
- Arachniopleurus Duncan & Sladen, 1882
- Dictyopleurus Duncan & Sladen, 1882
- Echinopsis
- Glyphocyphus
- Hemidiadema
- Rachiosoma
- Rhabdopleurus Cotteau, 1893