Echinopsis (sea urchin)

Echinopsis is an extinct genus of sea urchins in the class Echinoidea.

Echinopsis (sea urchin)
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
Genus:
Echinopsis

Agassiz, 1840

These slow-moving low-level epifaunal grazers lived from the Cretaceous to the Paleogene periods (125.45 - 5.332 Ma). Fossils of this genus have been found in the sediments of Madagascar, Pakistan, Senegal, Sudan, United States and Switzerland.[1]

References
  1. The Paleobiology Database


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