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LOT 2345
Natural History - Knightia Fossil Fish Plate
EOCENE PERIOD, 56-33 MILLION YEARS B.P.
5 3/4 in. (185 grams, 14.5 cm).
The rectangular matrix containing a large Knightia alta sp. specimen. [No Reserve]
ProvenanceFrom 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 - Fossil Euthriofusus Gastropod
Eocene Period, circa 40 million years B.P.Sold for (Inc. bp): £65
Well preserved fossil Euthriofusus Regularis, gastropod shell. 12.8 grams, 55 mm
From the Barton Beds, Hampshire, UK, 1960. From a Leicestershire, UK, collection. Accompanied by an explanatory note. -
Natural History - Large Conch Shell
Collected 19th century A.D.Sold for (Inc. bp): £33
A large natural conch shell showing 'horns' to perimeter, chipped. 1079 kg, 26 cm
Ex late Walter Steinberg collection. Property of a lady, by inheritance. -
Natural History - Footprint of a Theropod Dinosaur
Lower Jurassic Period, circa 200 million years B.P.Estimate: £500 - 700 (+bp*)
Opening Bid: £250
Komlosaurus carbonis on an irregular matrix with information ticket. 2.79 kg, 34 cm
From the Mecsek Coal Formation, Middle Hettangian to Early Sinemurian, Lower Lias, Lower Jurassic, Komlo, Mecsek Mountains. Baranya, Hungary. From the private collection of Mr J S, Northamptonshire, UK. Property of a Cambridgeshire gentleman.
