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LOT 2522
Natural History - Barrandei Fossil Trilobite
DEVONIAN PERIOD, 417-354 MILLION YEARS B.P.
3 1/8 in. (108 grams, 81 mm).
Metacanthina barrandei on a matrix. [3, No Reserve]
ProvenanceFrom the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco, North Africa.
From an old Oxfordshire, UK, fossil and mineral collection.
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AUCTIONS:
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LOT 2522
Natural History - Barrandei Fossil Trilobite
Sold for (Inc. bp): £72
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Natural History - Campo Del Cielo Iron Meteorite Collection
Fell 6000-5000 years B.P.Sold for (Inc. bp): £26
Comprising five iron (IAB) meteorites held in a plastic display case with identification label. 6.4 grams total, 32 mm wide including case
From Chaco Province, Argentina, found 1576. Ex Ian Barrett. Accompanied by an Ian Barrett certificate of Meteoritical authenticity no.2153610.
A crater field of roughly 26 craters was found in the vicinity of this crater, which is estimated to date to 4-5 thousand years BP. The age of the meteorite itself is thought to be c.4.5 billion years, formed as part of the development of this solar system. The largest two fragments, the 30.8 ton Gancedo and 28.8 ton El Chaco, are among the heaviest meteorite masses ever recovered on Earth. In 1576, the governor of a province in Northern Argentina commissioned the military to search for a large mass of iron, which it was believed the local people claimed had fallen from the sky and which they used for their weapon production. The expedition discovered a large mass of metal which was assumed to be an iron mine and brought back a few samples, which were described as being of unusual purity. Following the legends, in 1774 Don Bartolomé Francisco de Maguna rediscovered the iron mass. He himself did not believe that the stone had fallen from the sky and assumed that it had formed by a volcanic eruption. However, he sent the samples to the Royal Society of London. In 1990 it became protected by law. -
Natural History - Fossil Barasaurus Skeleton
Early Triassic Period, circa 255 million years B.P.Estimate: £400 - 600 (+bp*)
Opening Bid: £183
Barasaurus besairiei reptile on a matrix. 713 grams, 23 cm
From Plateau de I'lsala, Madagascar. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection.
Barasaurus is an extinct genus of the Owenettid procolophonoid parareptile. -
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.
