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LOT 2482
Twin Tharrhias Fossil Fish in Matrix from Brazil
EARLY CRETACEOUS PERIOD, CIRCA 112 MILLION YEARS B.P.
7 5/8 in. (1.7 kg, 19.5 cm).
Showing two overlapping Tharrhias Araripis specimens on a rounded matrix, the larger showing good scale detail. [No Reserve]
ProvenanceFrom N.E. Brazil.
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.
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AUCTIONS:
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Green River Fossil Priscacara Fish
Eocene Period, 58-36 million years B.P.Sold for (Inc. bp): £468
Priscacara liops fish in rectangular matrix, showing good detail especially to the fins. 433 grams, 220 mm
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 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. -
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Fossil Otodus Shark Tooth Display
Eocene Period, circa 56-33 million years B.P.Sold for (Inc. bp): £33
Comprising a large Otodus obliquus tooth; supplied in a display frame. 28.3 grams, 60 mm (64 grams total, 13 cm high including case)
From a Cambridgeshire, UK, collection. Property of a Cambridgeshire, UK, gentleman. -
Fossil Flexicalymene Trilobite Cluster
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £169
A mortality plate showing a cluster of Flexicalymene sp. trilobites. 2117 grams, 230 mm
From a Cambridgeshire, UK, collection.
