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LOT 2276
Natural History - British Mixed Pyrite with Ammonite Graveyards
JURASSIC PERIOD, CIRCA 190 MILLION YEARS B.P.
3/4 - 3 in. (292 grams total, 20-76 mm).
Comprising three clusters with variously sized ammonites and three singular ammonite fossils, including Eoderoceras, Crucilobiceras and Uptonia(?). [6, No Reserve]
ProvenanceFound Charmouth, Dorset, England.
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 2276
Natural History - British Mixed Pyrite with Ammonite Graveyards
Sold for (Inc. bp): £26
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Natural History - Knightia Fossil Fish Group
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £20
Comprising three Knightia alta specimens, each on a rounded matrix. 177 grams total, 80-91 mm
From Wyoming (Green River Formation), USA. From a Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah) in the Green River Formation are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Ulinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time. -
Natural History - Large Grade A Cut and Polished Agate Slice
Sold for (Inc. bp): £33
In enhanced blue colour, showing dark banding separating quartz filled layers. 770 grams, 25.3 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil 'Diosaurus' Crocodile Skull and Vertebrae
Paleocene Epoch, 66-56 million years B.P.Sold for (Inc. bp): £442
Displaying the left side of the skull and jaws with teeth, with a number of vertebrae to the side, set on a sandstone matrix; possibly Argochampsa krebsi. 7.15 kg, 51 cm
From a Cambridgeshire, UK, collection.
