Loading, please wait...
LOT 2507
Knightia Fossil Fish in Matrix Group
EOCENE PERIOD, CIRCA 58-36 MILLION YEARS B.P.
2 1/2 - 3 in. (145 grams total, 63-74 mm).
Comprising three rounded matrices, each with a Knightia alta specimen. [3, No Reserve]
ProvenanceFrom 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.
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.
-
Polished Orthoceras Fossil Bookends
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £390
Formed of fossiliferous stone with Orthoceras sp. specimens. 2.16 kg total, 12 cm each
From Morocco, North Africa. Ex Cambridgeshire, UK, collection. -
Polished Fossil Goniatite Trinket Box
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £46
A rectangular lidded box carved from fossiliferous stone, the lid set with a larger Goniatite specimen. 578 grams, 90 mm
From Morocco, West Africa. Ex Cambridgeshire, UK, collection. -
Green Malachite Cut Section Group [10]
Sold for (Inc. bp): £13
Comprising ten cut sections displaying contrasting green banding. 1.34 kg total, 5.6-9.4 mm
From Democratic Republic of the Congo, Central Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.