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LOT 2394
Natural History - Polished Fossil Orthoceras Group
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P
1 3/4 - 1 7/8 in. (80 grams total, 44-49 mm).
Comprising five polished Orthoceras sp. specimens. [5, No Reserve]
ProvenanceFrom the Atlas Mountains of Morocco, North Africa.
From a Norfolk, UK, collection.
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AUCTIONS:
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Natural History - Knightia Fossil Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £26
Knightia alta specimen on a rectangular matrix. 273 grams, 13 cm
From Wyoming (Green River Formation), USA. 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. -
Natural History - Daira Fossil Crab
Miocene Period, Messinian, circa 6.5-5 million years B.P.Sold for (Inc. bp): £98
Beautifully preserved Daira speciosa crab on a matrix showing the distinctive surface granulation of the shell; partial shell of another specimen visible on the lower part of the matrix. 114 grams, 70 mm
From Spain. From a Lincolnshire, UK, collection.
The genus is easily recognised by the extreme pustulose nature of the carapace and claws. -
Natural History - Polished Fossilised Wood Section
Late Triassic period, circa 225 million years B.P.Sold for (Inc. bp): £7
Cut to a freestanding shape with two polished faces. 695 grams, 12 cm
From a Lincolnshire, UK, collection.
