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LOT 2069
Natural History - Fossil Starfish
JURASSIC PERIOD, CIRCA 199-145 MILLION YEARS B.P.
3 3/8 in. (142 grams, 86 mm).
Possibly Sinosura kelheimense on a squared matrix. [No Reserve]
ProvenanceFrom Stonhoffen, Germany.
From a Lincolnshire, UK, collection.
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AUCTIONS:
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Natural History - Agate Necklace Bead Group
20th century A.D.Sold for (Inc. bp): £156
Comprising thirty banded black and white agate spheres with some natural strata and some treated to show contrasting strata around the equator; all pierced for stringing. 197 grams total, 14-17 mm
UK gallery, early 2000s. -
Natural History - Megalodon Giant Shark Fossil Tooth
Pliocene Period, 5.2-2.5 million years B.P.Sold for (Inc. bp): £208
Carcharocles megalodon displaying some good polished enamel. 160 grams, 10.7 cm
From Florida, USA. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill. -
Natural History - Fossil Knightia Fish and Fly in Matrix
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £26
On a square sandstone matrix. 708 grams, 18 x 13.5 cm
Ex John Cummings, circa 2000. Property of an Essex 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.
