Glyphocyphidae
![](/Images/godic/202501/15/Glyphocyphidae_-_Echinopsis_species1728.JPG")
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).
Glyphocyphidae
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