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LOT 0448
Natural History - Huge Knightia Fossil Fish Display
EOCENE PERIOD, CIRCA 58-33 MILLION YEARS B.P.
46 in. (42.9 kg, 117 cm wide).
With a shoal of Knightia alta sp. specimens, some preserved on top of each other, on an irregular matrix; mounted on plywood backing.
ProvenanceFrom Wyoming (Green River Formation), USA.
Property of a Cambridgeshire, UK, gentleman.
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 African 'T-Rex' Tooth
Cretaceous Period, circa 145-93 million years B.P.Sold for (Inc. bp): £59
With some serration and good enamel, from Carcharodontosaurus saharicus; repaired. 14.9 grams, 49 mm
From the Tegana formation of the Sahara Desert, Morocco, North Africa. Acquired during 1980s. From an old Lincolnshire, UK, collection.
The Carcharodontosaurus saharicus was one of the largest predators (larger than its distant North American T-Rex cousin) of all time and is also related to Allosaurus and the South American Giganotosaurus. -
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Natural History - Boxed Polished Amethyst Crystal Obelisk Group [3]
Sold for (Inc. bp): £91
Each freestanding and with bevelled edges. 84 grams total, 60-70 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Juvenile Megalodon Giant Shark Fossil Tooth Group
Pliocene Period, 5.2-2.5 million years B.P.Sold for (Inc. bp): £59
Three Carcharocles megalodon teeth displaying some good polished enamel; supplied in a display frame. 41 grams total, 18-24 mm
Ex J. Shaul collection, UK.
Carcharodon megalodon is regarded as one of the largest and most powerful marine predators in vertebrate history and likely had a profound impact on structuring of the marine communities. Fossil remains indicate that this giant shark reached a length of more than 16 metres (52 ft) and also affirm that it had a cosmopolitan distribution. Scientists suggest that in life it looked like a stockier version of the great white shark, Carcharodon carcharias.
