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LOT 2518
Natural History - Very Large Polished Fossil Belemnite
JURASSIC PERIOD, 160 MILLION YEARS B.P.
7 1/2 in. (126 grams total, 19 cm).
Cylindroteuthis sp.; held in a collector's tray. [No Reserve]
ProvenanceFrom Oxford, UK.
Ex UK collection.
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AUCTIONS:
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Natural History - Mosasaur Fossil Jaw Section
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £72
Part of a lower jaw displaying Mosasaur Prognathodon sp. teeth. 165 grams, 79 mm
From the phosphate mine region, Khouribga, Morocco, North Africa. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection. -
Natural History - Fossil Seed Fern Group
Middle Pennsylvanian Period, 300 million years B.P.Sold for (Inc. bp): £33
Comprising three Pecopteris sp. specimens. 260 grams total, 71-82 mm
From the Mazon Creek Fossil Beds, Braidwood, Illinois, U.S.A. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Priscacara Fossil Fish
Eocene Period, 58-36 million years B.P.Sold for (Inc. bp): £117
In a rectangular matrix. 385 grams, 16.5 x 13.5 cm
Fine condition. Scarce.
Lincolnshire, UK, collection.
Seasonally, some 56 million years ago, in the Green River Region of Wyoming, torrential rains fell on the mountains. The rain flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes evaporated (similar to certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle happened over a 20-thousand-year period. Layer upon layer of mud was deposited over these years, entombing huge numbers of fish. At a much later date volcanic activity uplifted this area to expose their fossils.
