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LOT 2403
Natural History - Fossil Brittle Star
MIDDLE ORDOVICIAN PERIOD, CIRCA 450 MILLION YEARS B.P.
6 1/8 in. (428 grams, 15.5 cm).
Ophiuroidea sp. specimen on a matrix. [No Reserve]
ProvenanceFrom El Kaid Errami, Tafilalt, Morocco, North Africa.
Acquired 1950s-1960s.
From an old Bristol, UK, palaeontological 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): £111
Knightia alta specimen on a rectangular matrix. 300 grams, 13.4 cm
From Wyoming (Green River Formation), USA. Acquired during 1980s. From the Pradi Collection, Boston, USA.
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 - Insect in Polished Baltic Amber
Oligocene Period, circa 45 million years B.P.Sold for (Inc. bp): £572
Polished to highlight the intact fly inclusion. 1.76 grams, 26 mm
Property of the vendor's father, thence by descent. From the private collection of a New York, USA gentleman. -
Natural History - Fossil Reedops Trilobite
Upper Devonian Period, circa 385-359 million years B.P.Sold for (Inc. bp): £13
A Reedops sp. trilobite on matrix, clearly showing the external structures. 230 grams, 88 mm
From the Hamar Laghdad Formation, Atlas Mountains, Pragian, (Alnif), Morocco, North Africa. From an old Oxfordshire fossil and mineral collection.
