Glyphocyphidae

Glyphocyphidae Temporal range: Cretaceous–Paleogene PreꞒ Ꞓ O S D C P T J K Pg N [1]
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).^[1]