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LOT 1906
Natural History - Cut and Polished Fossil Cleoniceras Ammonite
JURASSIC PERIOD, 199-145 MILLION YEARS B.P.
3 1/2 - 3 5/8 in. (237 grams total, 90-92 mm).
A pair of cut and polished fossil ammonite halves, each displaying the gas chambers; possibly Cleoniceras sp. [2, No Reserve]
ProvenanceFrom Madagascar.
Collected between 1930 and 1960.
From the collection of the palaeontologist R Gledhill.
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AUCTIONS:
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LOT 1906
Natural History - Cut and Polished Fossil Cleoniceras Ammonite
Sold for (Inc. bp): £33
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Natural History - Bahariasaurus Dinosaur Fossil Tooth
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £64
A Bahariasaurus ingens fossil dinosaur tooth; held in a white card collector's tray. 9 grams, 52 mm length (16 grams total, 52 x 51 mm including tray)
Fine condition.
Tegana formation of the Sahara Desert, Morocco, North Africa. Acquired 1980s. Old Bristol collection.
Bahariasaurus ingens was a mid-sized carnivore. -
Natural History - Fossil Shrimp Group
Cretaceous Period, circa 110 million years B.P.Sold for (Inc. bp): £26
A pair of Carpopenaeus sp. shrimps in matrix. 229 grams total, 71-84 mm
From Hjoula, Lebanon. Acquired in the 1980s. From an old Bristol, UK, collection. -
Natural History - Mioplosus Fossil Fish in Matrix
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £72
A rectangular sedimentary matrix displaying a Mioplosus sp. fossil fish. 937 grams, 17.8 x 13 cm
Ex 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.
