Large pathological Eoderoceras ammonite (117 mm)
Large pathological Eoderoceras ammonite (117 mm)
Large pathological Eoderoceras ammonite (117 mm)
Large pathological Eoderoceras ammonite (117 mm)
Large pathological Eoderoceras ammonite (117 mm)
Large pathological Eoderoceras ammonite (117 mm)
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Large pathological Eoderoceras ammonite (117 mm)

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A stunning and giant example of a highly pyritised ammonite fossil of the species Eoderoceras (Eteoderoceras) armatum from the world-famous Jurassic Coast beach of Charmouth, Dorset UK.

The fossil measures 99 mm (3.88 inches) across with matrix which is huge for this species. The ammonite is beautifully preserved on both sides. The detail in the fossil is exceptional. This one is a very unusual example that has rare pathological deformity in the way that the ribs grew when the ammonite was alive. Unlike the usual examples that run directly across the whorls perpendicular to the centre of the shell, the ribs on this one sweep forwards towards the centre. These ammonites are becoming harder to find these days. This one is a real beauty and one for the serious collector.

Around 196 million years old, this fossil would make a wonderful addition to any collection