Diplocidaridae

Diplocidaridae is an extinct family of sea urchins.

Diplocidaridae Temporal range: Jurassic PreꞒ Ꞓ O S D C P T J K Pg N [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
Class:	Echinoidea
Order:	Cidaroida
Family:	†Diplocidaridae Gregory, 1900

These slow-moving low-level epifaunal grazer-omnivores lived in the Jurassic period, from 161.2 to 150.8 Ma.^[1]

Generas

• Diplocidaris Desor, 1855
• Tetracidaris Cotteau, 1872