Glyphocyphidae

Glyphocyphidae is an extinct family of sea urchins in the class Echinoidea.

Glyphocyphidae
Temporal range: Cretaceous–Paleogene [1]
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

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

[2]

gollark: I haven't actually seen many. Have they gotten rarer?
gollark: I'll trade you a CB mint for a 2G prize.
gollark: But not MANY things.
gollark: Unfortunately they're still crazy. MARKET PRIZES FOREVER!
gollark: 2G prizes are steadily dropping in value.

References
  1. The Paleobiology Database
  2. Biolib


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