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LOT 2461
Fossil Flexicalymene Trilobite Group
ORDOVICIAN PERIOD, CIRCA 510-445 MILLION YEARS B.P.
2 1/2 - 3 in. (185 grams total, 64-76 mm).
Comprising three specimens; repaired. [3, 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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Knightia Fossil Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £59
Rectangular matrix with a Knightia alta specimen. 210 grams, 80 mm
From Wyoming (Green River Formation), USA. From a 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. -
Polished Fossil Tree Slice
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £7
A cut and polished section of petrified wood trunk. 230 grams, 13.4 cm
From Madagascar. From a Lincolnshire, UK, collection. -
Fossil Sawfish Rostral Spine Pair
Cretaceous Period, circa 100-66 million years B.P.Sold for (Inc. bp): £13
Comprising two Onchopristus numidus sawfish rostral teeth. 17 grams total, 56-59 mm
From a Cambridgeshire, UK, collection.
