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LOT 2476
Natural History - Extinct Shark Fossil Tooth Group
CRETACEOUS-EOCENE PERIOD, 70-50 MILLION YEARS B.P.
1/4 - 1 1/8 in. (330 grams total, 10-30 mm).
Comprising specimens of different sizes, including examples retaining some or most of the root, enamel and/or serration. [Approximately 580, No Reserve]
ProvenanceAcquired 1990s-early 2000s.
East Anglian private collection.
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AUCTIONS:
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Natural History - Fossil Barasaurus Skeleton
Early Triassic Period, circa 255 million years B.P.Estimate: £400 - 600 (+bp*)
Opening Bid: £183
Barasaurus besairiei reptile on a matrix. 713 grams, 23 cm
From Plateau de I'lsala, Madagascar. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection.
Barasaurus is an extinct genus of the Owenettid procolophonoid parareptile. -
Natural History - Amber with Insect Inclusions
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £20
Including at least one fly; with a polished body. 3.6 grams, 24 mm
Ex private UK collection formed in the 1980s. -
Natural History - Knightia Fossil Fish in Matrix
Eocene Period, 58-33 million years B.P.Sold for (Inc. bp): £33
Displaying a fossil Knightia sp. fish. 235 grams, 12.2 cm
Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
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.
