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LOT 2424
Fossil Brittlestar
MIDDLE ORDOVICIAN PERIOD, CIRCA 450 MILLION YEARS B.P.
5 3/4 in. (366 grams, 14.4 cm).
Ophiuroidea sp. on an irregular 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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Green River Knightia Fossil Fish Group
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £46
Comprising three Knightia alta fish on individual matrices. 140 grams, 72-90 mm
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. -
Fossil Spinosaurus Dinosaur Tooth Pair
Cretaceous Period, circa 125-113 million years B.P.Sold for (Inc. bp): £98
Comprising two teeth with partial roots; repaired. 30 grams total, 55-64 mm
From a Lincolnshire, UK, collection.
The Spinosaurus was both a beachcomber type scavenger and an active hunter taking small stranded Plesiosaurs, Pterosaurs, turtles and large fish. -
Crystal Quartz Nodule
Sold for (Inc. bp): £39
Opened and in two halves, showing the internal cavity encrusted with variously sized crystals in enhanced hot pink colour. 1.2 kg total, 9.4-11.7 cm
From a Cambridgeshire, UK, collection.
