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_900x900.jpg "Natural History - Knightia Fossil Fish Plate")
_200x200.jpg "Natural History - Knightia Fossil Fish Plate")
.jpg "Natural History - Knightia Fossil Fish Plate")
LOT 2580
Natural History - Knightia Fossil Fish Plate
EOCENE PERIOD, 56-33 MILLION YEARS B.P.
9 1/2 in. (955 grams, 24.2 cm).
The rectangular matrix containing four Knightia alta sp. fish. [No Reserve]
ProvenanceFrom the Green River Formation, Wyoming, USA.
Ex 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.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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Natural History - Historic Collection of Mineral Specimens
Sold for (Inc. bp): £59
Comprising: goethite and limonite from Scotland or England, collection number 479; pyrite from Peru, collection number 233; octahedral blue fluorite crystal from Illinois, USA, collection number 475, with an old Gregory, Bottley & Lloyd label; calcite geode half from Brazil, collection number 108; bornite from North Transvaal, South Africa, collection number 192; amethyst from Brazil, collection number 26; fluorite on sphalerite from England, collection number 186; native copper specimen from USA, collection number 153, with an old Gemset of Broadstairs Ltd. label; wolfenite of calcite from Mexico, collection number 485, with an old Gregory, Bottley & Lloyd label. 892 grams total, 3.9-11.6 cm
Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Each specimen accompanied by an original historic index file card. -
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Natural History - Cut and Polished Fossil Ammonite
Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £52
Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers. 269 grams total, 10.5-10.7 cm
From Madagascar. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
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Natural History - Polished Fossil Goniatite Display
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £46
Comprising four Goniatite sp. set on a textured freestanding matrix. 2.36 kg, 20 cm high
From a Cambridgeshire, UK, collection.
