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LOT 2533
Natural History - Fossil Mosasaur and Enchodus Tooth Display
CRETACEOUS PERIOD, 145-65 MILLION YEARS B.P.
5 5/8 in. (535 grams, 14.3 cm).
Both specimens set in a rounded 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 2533
Natural History - Fossil Mosasaur and Enchodus Tooth Display
Sold for (Inc. bp): £20
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Natural History - Cut and Polished Fossil Ammonite
Jurassic Period, 200-145 million years B.P.Sold for (Inc. bp): £20
The specimen cut through the middle to reveal the dividing gas chambers with crystal formations; some minor iridescence to outer surfaces. 210 grams total, 83 mm each
From a Lincolnshire, UK, collection. -
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Natural History - Fossil Diplomystus Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £33
In a matrix. 112 grams, 13.2 x 8.5 cm
Fine condition.
From the Green River Formation, Lincoln County, Wyoming, U.S.A. From an old Lincoln 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. -
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.
