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LOT 2468
Fossil Fly Group
EOCENE PERIOD, 50 MILLION YEARS B.P.
2 - 2 5/8 in. (145 grams total, 51-66 mm).
Comprising three specimens on a matrix. [3, No Reserve]
ProvenanceFrom the Green River Formation, south-western Wyoming, U.S.A.
Collected between 1930 and 1960.
From the collection of the palaeontologist R. Gledhill.
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AUCTIONS:
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Fossil Sapindopsis Plant Leaves
Cretaceous Period, circa 145-66 million years B.P.Sold for (Inc. bp): £20
Comprising two joined leaves from an extinct genus Sapindopsis, related to modern Platanaceae family. 426 grams, 203 mm
From a Cambridgeshire, UK, collection. -
Green River Fossil Priscacara Fish
Eocene Period, 58-36 million years B.P.Sold for (Inc. bp): £468
Priscacara liops fish in rectangular matrix, showing good detail especially to the fins. 433 grams, 220 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. -
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.
