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Specimen of the Week 317: The Belemnite Fossil

NadineGabriel17 November 2017

Hello everyone, it’s Nadine Gabriel with another mollusc for you in this week’s Specimen of the Week. This specimen is a member of an extinct order of cephalopods that lived from the Triassic period (250-201 million years ago) through to the end of the Cretaceous period, becoming extinct around the same time as non-avian dinosaurs (~66 million years ago). These cephalopods were very common in the ancient oceans so they’re quite abundant in Jurassic and Cretaceous deposits all over the world. However, since the preservation of soft tissues is rare, it’s usually just the bullet-shaped rostrum that’s preserved. Not so in this week’s Specimen of the Week… (more…)