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LOT 2546
Natural History - Stony Iron Meteorite
2 1/4 in. (118 grams, 57 mm).
With typically rough surfaces. [No Reserve]
ProvenanceFrom the Sahara Desert, Morocco, North Africa.
From an old Oxfordshire, UK, fossil and mineral collection.
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AUCTIONS:
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Natural History - Sporadoceras Goniatite Display
Upper Devonian Period, 385-359 million years B.P.Sold for (Inc. bp): £34
Free-standing and polished through the shell to reveal the calcite preserved inside, showing the dividing gas chambers. 299 grams, 10.3 cm
From the Atlas Mountains, Morocco, North Africa. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
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. -
Natural History - Fossil Mosasaur Jaw Fragment
Late Cretaceous Period, 70 million years B.P.Sold for (Inc. bp): £20
A section of a jaw with two Igdamanosaurus aegyptiacus teeth. 63 grams, 76 mm
From the Oulad Abdoun Basin, Morocco, North Africa. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill.
Most Mosasaurs had sharp teeth that had evolved to grab slippery prey such as fish. Igdamanosaurus had semi-spherical teeth with rounded points, which were better suited for crushing tough-armoured prey such as turtles, ammonites, nautili, and bivalves.
