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LOT 2420
Natural History - Large Mosasaur Fossil Jaw on Stand
CRETACEOUS PERIOD, 145-65 MILLION YEARS B.P.
50 3/8 in. (15.5 kg total, 1.28 m wide including stand).
Displaying eleven teeth, each with good remains of enamelling and some serration; mounted on a custom-made display stand.
ProvenanceFrom a Cambridgeshire, UK, collection.
This lot has been checked against the Interpol Database of stolen works of art and is accompanied by search certificate number no.11723-197546.
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AUCTIONS:
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Natural History - Woolly Mammoth Fossil Tusk Section
Pleistocene Period, circa 40,000 years B.P.Sold for (Inc. bp): £20
With some attractive patterning. 122 grams, 20 cm
From the North Sea. From an old Bristol, UK, collection. -
Natural History - Fossil Dragon Fly Larvae
Miocene Period, circa 16 million years B.P.Sold for (Inc. bp): £26
Comprising four well defined specimens of Libellula doris on an irregular matrix; accompanied by a glazed display case with an information card. 240 grams total, 16 x 13.5 cm including case
From a Gloucestershire, UK, collection. -
Natural History - Large Fossil Diplomystus Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £33
Set in a rectangular shale matrix. 395 grams, 15.2 cm
From Wyoming, Green River Formation, U.S.A. From an old Bristol, 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.
