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LOT 2476
Composite Mosasaur 'Marine Dinosaur' Jaw Section
CRETACEOUS PERIOD, CIRCA 145-65 MILLION YEARS B.P.
7 7/8 in. (1.81 kg, 20 cm).
Comprising five Mosasaur prognathodon set on a matrix simulating jaw bones on sandstone. [No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
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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Mocha Stone (Dendritic Limestone) Tile Group
Sold for (Inc. bp): £39
Superb examples exhibiting finely formed dendrites of manganese oxide. 342 grams total, 9.6-13 cm
From India. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
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Polished Fossil Orthoceras Column
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £13
The four polished 'bullets' showing variously sized Orthoceras sp. specimens. 1.56 grams, 19.8 cm
From a Cambridgeshire, UK, collection. Property of a Cambridgeshire, UK, gentleman. -
Green River Fossil Priscacara Fish
Eocene Period, 58-36 million years B.P.Sold for (Inc. bp): £468
Priscacara liops fish in rectangular matrix, showing good detail especially to the fins. 433 grams, 220 mm
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.
