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LOT 0448
Natural History - Huge Knightia Fossil Fish Display
EOCENE PERIOD, CIRCA 58-33 MILLION YEARS B.P.
46 in. (42.9 kg, 117 cm wide).
With a shoal of Knightia alta sp. specimens, some preserved on top of each other, on an irregular matrix; mounted on plywood backing.
ProvenanceFrom Wyoming (Green River Formation), USA.
Property of a Cambridgeshire, UK, gentleman.
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.
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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Natural History - Fossil Bird Bone Group
Pleistocene Period, circa 2 million years B.P.Sold for (Inc. bp): £39
Comprising two large fragments of hollow wading bird bones. 12.3 grams total, 75-79 mm
From the Rancho La Brea Formation, Maricopa Co., California, USA. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
Natural History - Fossil Turtle Coprolite
Eocene Period, circa 50 million years B.P.Sold for (Inc. bp): £7
Comprising a turtle coprolite (fossilised turtle excrement). 174 grams, 66 mm
From the Wilkes Formation, Salmon Creek, Lewis County, Washington, USA. Acquired during the 1980s. From an old Lincolnshire, UK, collection. -
Natural History - Medium Amethyst Crystal Geode Section Group [20]
Sold for (Inc. bp): £13
Comprising variously sized geode sections with clusters of purple amethyst crystals. 2 kg total, 54-78 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).