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LOT 2412
Natural History - Fossil Pine Cone
EOCENE PERIOD, CIRCA 55-33 MILLION YEARS B.P.
1 5/8 in. (13.7 grams, 40 mm).
An agatized Dicotaledon fruit specimen. [No Reserve]
ProvenanceFrom the Western Sahara Desert, Morocco.
Acquired 1950s-1960s.
From an old Bristol, UK, palaeontological collection.
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AUCTIONS:
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Natural History - Fossil Megalomanicus Trilobites
Upper Devonian Period, circa 385-359 million years B.P.Sold for (Inc. bp): £46
Comprising two Drotops megalomanicus trilobites on a matrix. 300 grams, 83 mm
From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. From an old Oxfordshire, UK, fossil and mineral collection. -
Natural History - Fossil Ammonite Plate
Middle Cretaceous Period, Albian Stage, circa 150 million years B.P.Sold for (Inc. bp): £156
An assemblage comprising a number of polished Cleoniceras sp. ammonites. 148 grams, 10.8 cm wide
From Madagascar. From an old Oxford, UK, paleontological collection. -
Natural History - Fossil Diplomystus Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £78
On a rectangular matrix. 292 grams, 13 cm
From Wyoming (Green River Formation), USA. From an old Bristol, UK, collection.
Seasonally some 58 million years ago, in the Green River region of Wyoming, torrential rains fell in the mountains. They flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes would dry up due to evaporation (as happens in 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 entombed all these fish. At a much later date, volcanic activity uplifted this area to expose the fossils.
