Image: Rudist bivalve, Sphaerulites sp.

Rudist bivalve, Sphaerulites sp.

Rudist bivalve (mollusc). France, Late Jurassic, 150 million years ago.

Creator:
Anne Musser
Rights:
© Australian Museum

Notes

Rudist bivalves were the main reef-builders in the Jurassic and Cretaceous. Modern bivalves, like oysters and clams, are still common in shallow marine areas today.

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Tags rudist, bivalves, reefs, Late Jurassic, dinosaur world,