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LOT 2352
Natural History - Fossil Dorsal Spine of a Shark
MESOZOIC ERA, 250-65 MILLION YEARS B.P.
7 1/8 in. (58 grams, 18 cm).
From the extinct Hybodus sp. shark, showing excellent preserved detail. [No Reserve]
ProvenanceFrom south of Taouz, KemKem Basin Area of Morocco, North Africa.
From a Lincolnshire, UK, collection.
TimeLine 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 - Polished Fossil Ammonite
Middle Cretaceous period, circa 150 million years B.P.Sold for (Inc. bp): £20
A superbly polished Cleoniceras sp. ammonite showing the suture patterns. 316 grams, 11.5 cm
From Madagascar. From a Lincolnshire, UK, collection. -
Natural History - Green River Fossil Fish Group
Eocene Period, circa 56-33 million years B.PSold for (Inc. bp): £39
Two Green River fish specimens Diplomystus sp. in a matrix. 437 grams, 12.5 x 14.2 cm
From 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. -
Natural History - Fossil Rastellum Bivalve Group
Middle Jurassic Period-Late Cretaceous Period, circa 174-66 million years B.P.Sold for (Inc. bp): £7
The mollusc specimens with a narrow-valved tubular shell. 230 grams total, 69-83 mm
From a Cambridgeshire, UK, collection.
