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LOT 2435
Natural History - Fossil Dactylioceras Athleticum Ammonite Cluster
JURASSIC PERIOD, 199-175 MILLION YEARS B.P.
6 1/8 in. (412 grams, 15.5 cm).
Comprising several different sized specimens on a sandstone matrix. [No Reserve]
ProvenanceFrom a Lincolnshire, 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 2435
Natural History - Fossil Dactylioceras Athleticum Ammonite Cluster
Sold for (Inc. bp): £117
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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. -
Natural History - Fossil Mosasaur Tooth with Root
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £39
Showing good enamel and a large part of the root; repaired. 114 grams, 11 cm
From a Cambridgeshire, UK, collection. -
Natural History - Extinct Fossil Shark and Other Tooth Collection
Cretaceous-Eocene Period, 70-50 million years B.P.Sold for (Inc. bp): £55
Comprising specimens of different sizes, including examples retaining some or most of the root, enamel and/or serration. 940 grams total, 1-31 mm
Acquired 1990s-early 2000s. East Anglian private collection.
