Hemicidaris Temporal range: Middle Jurassic-Early Cretaceous | |
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Hemicidaris intermedia fossil from France in Cosmocaixa, Barcelona. | |
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Genus: | Hemicidaris Agassiz, 1838 |
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.
Hemicidaridae is a family of extinct sea urchins characterized by large, massive, club-shaped spines.
Charles Stokes was a London stockbroker who gained a reputation both as an amateur scientist and as an art collector.