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LOT 2475
Natural History - Polished Fossil Ammonite Display
JURASSIC PERIOD, 199-145 MILLION YEARS B.P.
8 5/8 in. (4.1 kg, 22 cm high).
Mounted on a matrix style display base; some restoration.
ProvenanceFrom Madagascar.
Ex Cambridgeshire, UK, collection.
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AUCTIONS:
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LOT 2475
Natural History - Polished Fossil Ammonite Display
Estimate £120 - 170€140 - 200 (for guidance only)$160 - 230 (for guidance only)
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Natural History - Fossil Mosasaur Jaw Fragment
Late Cretaceous Period, 70 million years B.P.Sold for (Inc. bp): £20
A section of a jaw with two Igdamanosaurus aegyptiacus teeth. 63 grams, 76 mm
From the Oulad Abdoun Basin, Morocco, North Africa. Collected between 1930 and 1960. From the collection of the palaeontologist R Gledhill.
Most Mosasaurs had sharp teeth that had evolved to grab slippery prey such as fish. Igdamanosaurus had semi-spherical teeth with rounded points, which were better suited for crushing tough-armoured prey such as turtles, ammonites, nautili, and bivalves. -
Natural History - Fossil Dicranurus Trilobite
Devonian Period, 417-354 million years B.P.Sold for (Inc. bp): £78
Showing the pair of horn-like spines behind the glabellum, specific for Dicranurus monstrosus trilobite; on a matrix. 468 grams, 13.2 cm
From a Cambridgeshire, UK, collection. -
Natural History - Fossil Dactylioceras Athleticum Ammonite Cluster
Jurassic Period, 199-175 million years B.P.Sold for (Inc. bp): £117
Comprising several different sized specimens on a sandstone matrix. 412 grams, 15.5 cm
From a Lincolnshire, UK, collection.
