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LOT 2495
Fossil African 'T-Rex' Tooth
CRETACEOUS PERIOD, CIRCA 110 MILLION YEARS B.P.
1 5/8 in. (6.19 grams, 42 mm).
A Carcharodontosaurus saharicus dinosaur tooth; repaired. [No Reserve]
ProvenanceFrom Atlas Mountains, Morocco, North Africa.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Quartz Crystal Geode Nodule
Sold for (Inc. bp): £7
A small rounded quartz crystal lined pebble split into two halves. 58 grams total, 31-42 mm
From a Cambridgeshire, UK, collection. -
Polished Fossil Cleoniceras Ammonite Group
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £26
Two circular composite plates composed of overlapping Cleoniceras sp. ammonites. 320 grams total, 11.9-12 cm
From Madagascar. From a Lincolnshire, UK, collection. -
Knightia Fossil Fish in Matrix Group
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £46
Comprising three rounded matrices each with Knightia alta specimen. 163 grams total, 72-82 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.
