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LOT 2403
Natural History - Polished Ammonite Plate
JURASSIC PERIOD, 199-145 MILLION YEARS B.P.
9 in. (778 grams, 23 cm wide).
Comprising a composite of various sized ammonites with polished upper surface. [No Reserve]
ProvenanceFrom Madagascar.
From a Lincolnshire, UK, collection.
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AUCTIONS:
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Natural History - Fossil Sporadoceras Goniatite
Upper Devonian Period, 385-359 million years B.P.Sold for (Inc. bp): £39
Free-standing and polished to reveal the dividing gas chambers. 446 grams, 11 cm
From the Atlas Mountains, Morocco, North Africa. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection. -
Natural History - Mosasaur Fossil Jaw Section
Late Cretaceous Period, 70 million years B.P.Sold for (Inc. bp): £26
Comprising a partial jaw and two teeth from Igdamanosaurus aegyptiacus. 110 grams, 72 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 Dragonfly Larvae
Miocene Period, 16 million years B.P.Sold for (Inc. bp): £33
On amorphous matrix containing Libellula doris specimens. 85 grams total, 90 x 90 mm including case
From Piedmont, Italy. Acquired 1980s. From an old Bristol, UK, collection.
