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LOT 2292
Natural History - Large British Eleganticeras Fossil Ammonite Multi Display 'Egg'
JURASSIC PERIOD, CIRCA 185-180 MILLION YEARS B.P.
7 1/2 in. (3.8 kg, 19 cm wide).
Displaying Eleganticeras Elegantulum ammonite specimens, with naturally occurring crude oil within the specimen; repaired.
ProvenanceFrom North Yorkshire, UK.
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 2292
Natural History - Large British Eleganticeras Fossil Ammonite Multi Display 'Egg'
Estimate £400 - 600€460 - 700 (for guidance only)$540 - 810 (for guidance only)
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Natural History - Knightia Fossil Fish Mortality Plate
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £65
The round matrix displaying three Knightia alta fossil fish with faint remains of another. 168 grams, 13.6 cm
Ex Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah) in the Green River Formation are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Ulinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time. -
Natural History - British Arnioceras Fossil Ammonite 'Hidden Gem' Pair
Jurassic Period, circa 200-190 million years B.P.Sold for (Inc. bp): £260
Both sections of a large pebble, displaying multiple Arnioceras semicostatum specimens to the interior faces. 1 kg total, 12 cm each
From the Holderness Coast, Yorkshire, UK. -
Natural History - Large British Pleuroceras Fossil Ammonite Multi Display
Jurassic Period, circa 180-178 million years B.P.Sold for (Inc. bp): £117
Showing specimens of Pleuroceras Paucicostatum fossil ammonites in a matrix, together with other inclusions; accompanied by a display stand. 2.4 kg, 17 cm
From Hawsker, North Yorkshire, UK.
