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LOT 2586
Green River Fish Fossils
EOCENE PERIOD, CIRCA 58-36 MILLION YEARS B.P.
3 3/8 - 4 1/8 in. (143 grams total, 8.6-10.5 cm).
Comprising three rounded matrices with Knightia alta fish fossils. [3, No Reserve]
ProvenanceFrom 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.
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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Otodus Fossil Shark Tooth in Frame
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £286
A large Otodus obliquus tooth in a display frame. 67 grams total, 12.5 cm including stand
From Germany. From a Cambridgeshire, UK, collection. -
Fossil Equus Ice Age Horse and Woolly Rhino Vertebra Group
Pleistocene Period, 40,000-20,000 B.P.Sold for (Inc. bp): £78
Comprising: Equus ferus CV5 vertebra, inked collection number '73'; Cervus elaphans V2 vertebra, inked collection number '74'; Coelodonta antigua woolly rhino vertebra, inked collection number '75'. 495 grams total, 9.3-12.4 cm
From Barton, Northamptonshire, UK. Acquired from Milton Keynes Geological Society in 1999. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; with collection no.VM73,74 & 75; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Amethyst Bead Necklace Group
Sold for (Inc. bp): £59
Comprising five necklaces, each with graduated mainly tubular amethyst beads with floral gold-coloured spacers, three with a tabular centrepiece; restrung. 385 grams total, 57-73 cm
Ex property of a West London gentleman; his collection formed in the late 1980s-early 1990s. Property of a Californian, USA, collector.
