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