Class Echinoidea Order Hemicidaroida | Rank Genus | |
 | ||
Similar Pseudocidaris, Acrosalenia hemicidaroides, Holectypus depressus, Cidaris, Phymosoma | ||
Hemicidaris how to pronounce it
Hemicidaris is an extinct genus of echinoids that lived from the Middle Jurassic to the Early Cretaceous. Its remains have been found in Africa, Asia, and Europe.
References
Hemicidaris Wikipedia(Text) CC BY-SA