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LOT 2505
Natural History - Fossil Mosasaur Tooth and Fish Bone Display
CRETACEOUS PERIOD, 145-65 MILLION YEARS B.P.
4 3/8 in. (400 grams, 11.1 cm).
Comprising two teeth and various fish bone fragments set on a sandstone matrix. [No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2505
Natural History - Fossil Mosasaur Tooth and Fish Bone Display
Sold for (Inc. bp): £20
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Natural History - Fossil Mesacristata Trilobite
Devonian Period, 417-354 million years B.P.Sold for (Inc. bp): £46
Hollardops mesacristata on a matrix. 130 grams, 78 mm
From the Atlas Mountains, Hamar Laghdad Formation, Prgain, Alnif, Morocco, North Africa. From an old Oxford, UK, fossil and mineral collection. -
Natural History - Barrandei Fossil Trilobite
Devonian Period, 417-354 million years B.P.Sold for (Inc. bp): £72
Metacanthina barrandei on a matrix. 108 grams, 81 mm
From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco, North Africa. From an old Oxfordshire, UK, fossil and mineral collection. -
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Natural History - Knightia Fossil Fish Group
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £52
Comprising seven complete and two partial Knightia alta fossil fish in a rectangular matrix. 373 grams, 15.3 x 9.8 cm
Fine condition.
Wyoming, Green River Formation, U.S.A. Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
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.
