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LOT 2536
Fossil Dinosaur Footprint
LOWER JURASSIC PERIOD, CIRCA 200 MILLION YEARS B.P.
10 7/8 in. (1.3 kg, 27.5 cm).
Panel of sedimentary rock with imprint of a three-toed foot. [No Reserve]
ProvenanceFrom a collection acquired on the UK art market from various auction houses and collections mostly before 2000.
From an important Cambridgeshire estate; thence by descent.
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AUCTIONS:
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Green River Fossil Knightia Fish Group
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £26
Comprising three rounded matrices, two with a single Knightia alta specimen and one with a pair of fish. 188 grams total, 73-98 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. -
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Historic Mixed Fossil Collection
Sold for (Inc. bp): £7
Comprising a variety of fossils including bivalves, Dactylioceras sp. specimens, a sea urchin, Gryphaea specimens and others. 4.4 kg total, 2-15.5 cm
Acquired from various sources within the UK. Ian Wilkinson collection, Nottinghamshire, UK, formed since 1985. -
Fossil Spinosaurus Dinosaur Tooth Pair
Cretaceous Period, circa 125-113 million years B.P.Sold for (Inc. bp): £78
Comprising two teeth with partial roots; repaired. 31.6 grams total, 54-56 mm
From a Lincolnshire, UK, collection.
The Spinosaurus was both a beachcomber type scavenger and an active hunter taking small stranded Plesiosaurs, Pterosaurs, turtles and large fish.
