Image: Fossil of rudist bivalve, Sphaerulites sp.

Fossil of rudist bivalve, Sphaerulites sp.

Fossil of rudist bivalve, Sphaerulites sp. France. Late Jurassic, 150 million years ago.

Photographer:
Robert Jones
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 bivalve, fossil, Late Jurassic, Mesozoic,