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LOT 2381
Natural History - Mastodon Fossil Tusk Carving
PLIOCENE PERIOD, 5.2-2.5 MILLION YEARS B.P.
3 in. (79 grams, 76 mm).
Featuring a later carved stylised face in relief. [No Reserve]
ProvenanceEx private collection of a Shropshire, UK, gentleman, 1990s.
CONDITIONTimeLine 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 - White Pecopteris Fossil Fern Group
Carboniferous Period, 359-299 million years B.P.Sold for (Inc. bp): £13
Contained in a matrix with specimens to both sides. 1.34 kg total, 20-21 cm
From St. Clair, Pennsylvania, U.S.A. Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
These fern fossils commonly found in coal-mining areas worldwide. However, the St. Clair ferns are treasured for their rarity and beauty, a result of the fossilised ferns gaining a coating of the mineral pyrophyllite which contrasts with the natural black shale matrix. -
Natural History - Mastodon Fossil Tusk Carving
Pliocene Period, 5.2-2.5 million years B.P.Sold for (Inc. bp): £72
Featuring a later carved stylised face in relief. 79 grams, 76 mm
Ex private collection of a Shropshire, UK, gentleman, 1990s. -
Natural History - Large Fossil Diplomystus Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £33
Set in a rectangular shale matrix. 395 grams, 15.2 cm
From Wyoming, Green River Formation, U.S.A. From an old Bristol, 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.
