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LOT 2464
Fossil Flexycalymene Trilobite Cluster
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P.
10 5/8 in. (2.53 kg, 27 cm).
A mortality plate showing a cluster of Flexicalymene sp. trilobites.
ProvenanceFrom Atlas Mountains, Morocco, North Africa.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Knightia Fossil Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £59
Rectangular matrix with a Knightia alta specimen. 210 grams, 80 mm
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. -
![Blue Calcite Mineral Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/228165-s.jpg)
Blue Calcite Mineral Specimen Group [100]
Sold for (Inc. bp): £20
Comprising one hundred irregular specimens. 990 grams total, 9-38 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Malachite Mineral Specimen Cut Slice Group [5]](https://timelineauctions.com/upload/images/items/small/228167-s.jpg)
Malachite Mineral Specimen Cut Slice Group [5]
Sold for (Inc. bp): £7
Comprising five irregular slices with two polished faces showing contrasting banding. 546 grams total, 11.2-16.2 cm
From Democratic Republic of the Congo, Central Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
