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LOT 2345
Fossil Shrimp in Matrix Group
CRETACEOUS PERIOD, CIRCA 110 MILLION YEARS B.P.
2 5/8 - 4 in. (475 grams total, 6.6-10 cm).
Comprising three matrices, one with a single specimen, one with two, and the third matrix with two complete and one partial specimen. [3, No Reserve]
ProvenanceFrom Colarado, USA.
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
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AUCTIONS:
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LOT 2345
Fossil Shrimp in Matrix Group
Estimate £40 - 60€46 - 70 (for guidance only)$54 - 81 (for guidance only)
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Fossil Asaphus Trilobite in Matrix
Middle Ordovician, circa 470-458 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Asaphus lepidurus with a semicircular headshield and tailshield separated by well-defined ribs. 65 grams, 54 mm
From the Putilova River, Volchov, St. Petersburg, Russia. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Knightia Fossil Fish Plate Group
Eocene Period, circa 58-36 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Comprising three circular plates, each with a Knightia alta fish, and a fourth plate with small remains of one. 165 grams total, 71-80 mm
From Wyoming, 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 Uinta, 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. -
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Woolly Rhinoceros Large Upper Jaw Tooth
Devensian Period, circa 110,000-12,000 years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Comprising a partial root and the tooth with dark enamel. 210 grams, 10.8 cm
Perma frost of Siberia. From a Netherlands collector in the 2020s. From a private collection.
