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LOT 2413
Polished Fossil Goniatite Dish
DEVONIAN PERIOD, CIRCA 400 MILLION YEARS B.P.
4 3/8 in. (165 grams, 11.2 cm).
A shallow dish carved from fossiliferous stone and set with a central Goniatite sp. specimen. [No Reserve]
ProvenanceFrom Atlas Mountains, Morocco, North Africa.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Multiple Knightia Fossil Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £52
A rounded matrix with multiple Knightia alta specimens. 135 grams, 12.2 cm
From 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. -
Fossil Brittle Star Group
Ordovician Period, circa 485.4-443.8 million years B.P.Sold for (Inc. bp): £59
Comprising two irregular matrices, each with a Ophiuroidea sp. specimen; one repaired. 858 grams total, 11-11.1 cm
From a Lincolnshire, UK, collection. -
Fossil Alethopteris Fern on Matrix
Middle Pennsylvanian Period, circa 300 million years B.P.Sold for (Inc. bp): £13
Comprising a group of irregular matrices with Pecopteris sp. ferns. 208 grams total, 5.7-11.6 cm
From St Clair, Pennsylvania, USA. From a Lincolnshire, UK, collection.
