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LOT 2463
Fossil Nothofagus Ferns in Matrix
LOWER EOCENE PERIOD, CIRCA 56-48 MILLION YEARS B.P.
7 in. (301 grams, 18 cm).
An irregular matrix with multiple Southern beech leaves. [No Reserve]
ProvenanceFrom the Redbank Plains formation, Ebbw Vale, Ipswich, Queensland, Australia.
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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Fossil Prionolepis Fish
Cretaceous Period, circa 100 million years B.P.Sold for (Inc. bp): £546
Middle-sized fish of slender shape, a pointed snout and a forked caudal fin; traces of its last meal, a whole fish, in its stomach. 552 grams, 22 cm
From Lebanon. From a Cambridgeshire, UK, collection. -
Fossil Knightia Fish Plate
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £78
A Knightia alta fish on a rectangular limestone matrix. 929 grams, 17.5 x 12.5 cm
From Wyoming, USA. From the private collection of a Devon, UK, lady.
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. -
Cut and Polished Ammonite Display Pair
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £65
The ammonite showing the internal gas chambers, some with crystallisation. 218 grams total, 9.9-10.2 cm
From a Lincolnshire, UK, collection.
