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LOT 2731
Natural History - Fossil Mosasaur 'Marine Dinosaur' Jaw on Composite Matrix
CRETACEOUS PERIOD, 145-65 MILLION YEARS B.P.
19 in. (2.32 kg, 48 cm).
A large section of Mosasaur prognathodon jaw with eight teeth, set in a composite matrix with applied plaster reinforcement.
ProvenanceFrom a Cambridgeshire, UK, collection.
FootnotesThe Mosasaur is an extinct, large marine reptile dinosaur with a snake-like body, long snout and paddle-like limbs. found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish.
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 2731
Natural History - Fossil Mosasaur 'Marine Dinosaur' Jaw on Composite Matrix
Sold for (Inc. bp): £338
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Natural History - Knightia Fossil Fish
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £33
Knightia alta specimen on a rectangular matrix. 397 grams, 13.3 cm
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 - Fossil Diplomystus Birdi Fish
Cretaceous Period, circa 98 million years B.P.Sold for (Inc. bp): £78
On a rectangular matrix. 107 grams, 70 x 72 mm
From Lebanon. From a Lincolnshire, UK, collection. -
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Natural History - Historic Galena Crystal Formation
Sold for (Inc. bp): £7
The tabular crystals on quartz matrix. 75 grams, 50 mm
From Nenthead, Cumberland, UK. Collected in person in 1965. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.
