Diplocidaris

Diplocidaris is an extinct genus of sea urchins belonging to the family Diplocidaridae. The type species of this genus is Cidaris gigantea Agassiz, 1840.[2]

Diplocidaris
Temporal range: Jurassic [1]
Fossil inner cast of Diplocidaris gigantea, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:
Animalia
Phylum:
Echinodermata
Subphylum:
Echinozoa
Class:
Echinoidea
Subclass:
Cidaroidea
Family:
Diplocidaridae
Genus:
Diplocidaris

Desor, 1855

These slow-moving low-level epifaunal grazer-omnivores [1] lived in the Jurassic period, from 161.2 to 150.8 Ma.[1] Fossils of this genus have been found in the sediments of Europe, North Africa, Madagascar.[2]

Species
  • Diplocidaris gigantea (Agassiz, 1840)
  • Diplocidaris besairiei Lambert, 1936
  • Diplocidaris jacquemonti Lambert, 1910
  • Diplocidaris desori Wright, 1858
  • Diplocidaris dumortieri Cotteau, 1863
  • Diplocidaris gevreyi Lambert in Savin 1902
  • Diplocidaris bernasconii Bischof, Hostettler & Menkveld-Gfeller, 2018[3]

[2]

gollark: I offered my spare CB Magma. That prize is probably worth *something*.
gollark: They were also lucky to get it before the Wyrmrequirementpocalypse.
gollark: Madness, is it not?
gollark: Also, it's their first prize breeding.
gollark: They list it as "messy 3G prize".

References
  1. The Paleobiology Database
  2. Natural History Museum
  3. Eva A. Bischof; Bernhard Hostettler; Ursula Menkveld-Gfeller (2018). "The cidaroids from the Middle Oxfordian St-Ursanne Formation of the Swiss Jura Mountains". Revue de Paléobiologie, Genève. 37 (1): 1–27.


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