Loading, please wait...
LOT 2162
Natural History - Knightia Fossil Fish
EOCENE PERIOD, CIRCA 58 MILLION YEARS B.P.
4 5/8 in. (198 grams, 11.8 cm).
Comprising the negative impression of Knightia alta specimen on a rectangular matrix with enhanced details. [No Reserve]
ProvenanceFrom Wyoming (Green River Formation), USA.
Acquired during 1980s.
From the Pradi Collection, Boston, USA.
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:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
-
Natural History - Large Fossil Shark Vertebra
Upper Palaeocene, Thanetian Stage, circa 56 million years B.P.Sold for (Inc. bp): £13
From Otodus obliquus Agassiz 1843 (mackerel shark). 234 grams, 79 mm
From the Ouled Abdoun Basin Formation (Phosphate beds), Oued Zem, Morocco, North Africa. From an old Oxfordshire fossil and mineral collection. -
Natural History - Megalodon Giant Shark Fossil Tooth
Pliocene Period, 5.2-2.5 million years B.P.Sold for (Inc. bp): £78
Triangular tooth of Carcharocles megalodon displaying some good polished enamel and serrations to the edges. 66 grams, 76 mm
Property of the vendor's father, thence by descent. From the private collection of a New York, USA gentleman. -
Natural History - Fossil Fly and Insect Group
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £13
Comprising three matrices with fossil flies together with a fossil crane fly. 82 grams total, 37- 82 mm
From Wyoming (Green River Formation), Uintah County, Utah, USA. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill.
