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LOT 2519
Natural History - Sporadoceras Goniatite Display
UPPER DEVONIAN PERIOD, 385-359 MILLION YEARS B.P.
4 in. (299 grams, 10.3 cm).
Free-standing and polished through the shell to reveal the calcite preserved inside, showing the dividing gas chambers. [No Reserve]
ProvenanceFrom the Atlas Mountains, Morocco, North Africa.
Acquired 1950s-1960s.
From an old Bristol, UK, palaeontological collection.
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AUCTIONS:
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Natural History - Fossil Diplomystus Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £33
In a matrix. 112 grams, 13.2 x 8.5 cm
Fine condition.
From the Green River Formation, Lincoln County, Wyoming, U.S.A. From an old Lincoln collection.
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 - Fossil Fish and Lobster in Matrix
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £910
Possibly Pseudostacus hakeliensis, together with a fossil fish, possibly Rhinobatos sp., both showing some good detail. 4.5 kg, 41 cm
Fine condition.
From Lebanon. From a Lincolnshire, UK, collection. -
Natural History - Fossil Mesacristata Trilobite
Devonian Period, 417-354 million years B.P.Sold for (Inc. bp): £46
Hollardops mesacristata on a matrix. 130 grams, 78 mm
From the Atlas Mountains, Hamar Laghdad Formation, Prgain, Alnif, Morocco, North Africa. From an old Oxford, UK, fossil and mineral collection.
