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LOT 2489
Natural History - British Arnioceras Fossil Ammonite 'Hidden Gem' Pair
JURASSIC PERIOD, CIRCA 200-190 MILLION YEARS B.P.
4 3/4 in. (1 kg total, 12 cm each).
Both sections of a large pebble, displaying multiple Arnioceras semicostatum specimens to the interior faces.
ProvenanceFrom the Holderness Coast, Yorkshire, UK.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2489
Natural History - British Arnioceras Fossil Ammonite 'Hidden Gem' Pair
Sold for (Inc. bp): £260
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Natural History - Polished Fossil Ammonite Pair
Jurassic Period, 199-145 million years B.P.Sold for (Inc. bp): £33
Cut to reveal the internal gas chambers, some iridescence to the outer surfaces. 300 grams total, 10.9 cm each
From Madagascar. Ex Lincolnshire, UK, collection. -
Natural History - Cut and Polished Fossil Ammonite
Middle Cretaceous Period, 150 million years B.P.Sold for (Inc. bp): £39
Showing the distinctive pattern of the cross-section chambers, Cleoniceras sp. 136 grams total, 76-82 mm
Collected 1930-1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Fossil Sporadoceras Goniatite
Upper Devonian Period, circa 385-359 million years B.P.Sold for (Inc. bp): £26
Polished through the shell to reveal the calcite preserved inside and showing the dividing gas chambers; freestanding. 534 grams, 11.8 cm
From the Atlas Mountains, Morocco. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection.
