Nautilus Fossils
Fossil records indicate that nautiloids have not evolved much during the last 500 million years. Many were initially straight-shelled, as in the extinct genus Lituites. They developed in the Late Cambrian period and became a significant group of sea predators during the Ordovician period. Certain species reached over 2.5 m (8 ft) in size. The other cephalopod subclass, Coleoidea, diverged from the nautiloids long ago and the nautilus has remained relatively unchanged since. Nautiloids were much more extensive and varied 200 million years ago. Extinct relatives of the nautilus include ammonites, such as the baculites and goniatites.   They are still found in warmer climates today,  But are endangered.

A Grade specimens have had hours of work on them to get them highly polished and showing those distinctive gas chambers of beautiful brown tones of calcites. They are more expensive than standard quality but are highly collectable and perfect to display.  Some are large, some are small, but all are beautiful.   Some B Grades also available at a price for those on a budget.

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Collector Grade Cut & Polished Madagascan Nautilus 176

£49.99 £42.99
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On Sale

On Sale

Collector Grade Cut & Polished Madagascan Nautilus 178

£49.99 £42.99

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On Sale

On Sale

Collector Grade Cut & Polished Madagascan Nautilus 180

£49.99 £42.99
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On Sale

On Sale

Collector Grade Cut & Polished Madagascan Nautilus 181

£49.99 £42.99
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Madagascan Nautilus 09

£12.99
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Madagascan Nautilus 17

£12.99

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Madagascan Nautilus 20

£12.99
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Madagascan Nautilus 024

£10.99
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A Grade Madagascan Nautilus A1

£26.99

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A Grade Madagascan Nautilus A3

£26.99

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A Grade Madagascan Nautilus A4

£26.99

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A Grade Madagascan Nautilus A5

£26.99

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A Grade Madagascan Nautilus A7

£19.99

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A Grade Madagascan Nautilus A9

£26.99

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A Grade Madagascan Nautilus A11

£16.99

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A Grade Madagascan Nautilus A15

£19.99

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A Grade Madagascan Nautilus A16

£16.99

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A Grade Madagascan Nautilus A17

£16.99

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A Grade Madagascan Nautilus A19

£17.99

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A Grade Madagascan Nautilus A20

£18.99

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A Grade Madagascan Nautilus A21

£19.99

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A Grade Madagascan Nautilus A24

£16.99
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A Grade Madagascan Nautilus A25

£16.99

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Ilminster Nautilus 01

£6.99

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Ilminster Nautilus 019

£7.99

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Ilminster Nautilus 014

£6.99

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Ilminster Nautilus 011

£10.99
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Ilminster Nautilus 010

£8.99
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Ilminster Nautilus 024

£8.99

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Ilminster Nautilus 029

£6.99
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