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LOT 1928
Natural History - Large Polished Goniatite Display Plate
DEVONIAN PERIOD, 417-354 MILLION YEARS B.P.
14 1/8 in. (4.8 kg, 36 cm).
A fossil Goniatite sp. ammonoid display plate, polished to reveal the internal structure of the gas-chambers.
ProvenanceFrom Morocco, North Africa.
Ex Cambridgeshire, UK, collection.
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AUCTIONS:
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LOT 1928
Natural History - Large Polished Goniatite Display Plate
Sold for (Inc. bp): £195
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Natural History - Dwarf Hippopotamus Molar Tooth
Holocene Period, circa 10,000 years B.P.Sold for (Inc. bp): £26
A fossil dwarf hippopotamus Hippopotamus lemerlei molar tooth. 61.2 grams, 65 mm
From Southern Madagascar. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection. -
Natural History - Knightia Fossil Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £33
A Knightia alta fossil fish in matrix. 678 grams, 18 cm wide
From Wyoming, Green River Formation, U.S.A. Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
Seasonally, some 56 million years ago, in the Green River Region of Wyoming, torrential rains fell on the mountains. The rain flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes evaporated (similar to certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle happened over a 20-thousand-year period. Layer upon layer of mud was deposited over these years, entombing huge numbers of fish. At a much later date volcanic activity uplifted this area to expose their fossils. -
Natural History - Kalahari Desert Wind Stone Group
Sold for (Inc. bp): £20
A group of five wind-rounded pebbles with their individual hollowed out 'nests', from the Kalahari Desert region; each set provided with a hessian draw-ribbon pouch. 394 grams total, 46-71 mm
From the Kalahari Desert, Southern Africa. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
