Glyphocyphidae
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 | |
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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]
Genera
- Ambipleurus Lambert, 1932
- Arachniopleurus Duncan & Sladen, 1882
- Dictyopleurus Duncan & Sladen, 1882
- Echinopsis
- Glyphocyphus
- Hemidiadema
- Rachiosoma
- Rhabdopleurus Cotteau, 1893
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