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LOT 2488
Collection of Extinct Fossilised Shark Teeth in Collector's Display Box
EOCENE-PLEISTOCENE PERIOD, CIRCA 56 MILLION-11,700 YEARS B.P.
12 x 9 1/2 in. (973 grams total, 30.5 x 24 cm including box).
Large collection of shark teeth, including Odontapsis, Lamna oblirua, Charcharodon auriculatus, Striatolamia, and others; most with an inked collector's number or a numbered sticker. [No Reserve]
ProvenanceFrom the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Accompanied by a list with collection numbers describing each species, dates, and provenances.
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AUCTIONS:
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LOT 2488
Collection of Extinct Fossilised Shark Teeth in Collector's Display Box
Sold for (Inc. bp): £117
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Knightia Fossil Fish Plate Group
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £46
Comprising three roughly oval matrices with Knightia alta specimens. 165 grams total, 70-74 mm
From Wyoming, USA. From a Lincolnshire, 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 Uinta, 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. -
Fossil Fish in Matrix
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £117
On a rectangular matrix, possibly Diplomystus. 335 grams, 16.5 cm
From Green River formation, Wyoming, USA. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent. -
Fossilised Leaves in Matrix
Paleocene Epoch, circa 66-56 million years B.P.Sold for (Inc. bp): £33
Limestone matrix showing one large leaf on one side and several overlapping fragments on the reverse. 670 grams, 13.5 cm
From a UK private collection since at least 1946. Property of a West London, UK, gentleman.
