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LOT 2511
Natural History - Fossil Brittle Star Group
ORDOVICIAN AGE, CIRCA 450 MILLION YEARS B.P.
2 5/8 - 3 in. (397 grams total, 68-78 mm).
Comprising three Ophiuroidea sp. specimens on irregular matrices. [3, No Reserve]
ProvenanceFrom El Kaid Errami, Tafilalt, Morocco.
From an old German collection.
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AUCTIONS:
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Natural History - Fossil Diplomystus Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £104
A Diplomystus sp. fossil fish on a rectangular matrix. 439 grams, 20.7 cm
From Wyoming (Green River Formation), USA. From an old Bristol, UK, collection.
Seasonally some 58 million years ago, in the Green River region of Wyoming, torrential rains fell in the mountains. They flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes would dry up due to evaporation (as happens in 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 entombed all these fish. At a much later date, volcanic activity uplifted this area to expose the fossils. -
Natural History - Large Natural Amber Specimen
6th-4th millennium B.C.Sold for (Inc. bp): £221
Formed in a translucent, amorphous lump with possible inclusions. 285 grams, 12 cm
Acquired UK market. Property of a Kent collector. -
Natural History - Fossil Brittlestar
Middle Ordovician Period, circa 450 million years B.P.Sold for (Inc. bp): £72
A single Ophiuroidea sp. on an irregular matrix. 507 grams, 14.5 cm
From El Kaid, Morocco. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection.
