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LOT 2556
Cut and Polished Agate Slice Collection [6]
4 3/4 - 6 1/2 in. (694 grams total, 12-16.5 cm).
Comprising four slices displaying red and grey banding, and two translucent dyed slices. [6, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Fossil Flexicalymene Trilobite Group
Ordovician Period, circa 510-445 million years B.P.Sold for (Inc. bp): £39
Comprising three specimens; repaired. 185 grams total, 64-76 mm
From a Lincolnshire, UK, collection. -
Cut and Polished Fossil Tree Trunk Section Pair [2]
Triassic Period, circa 235 million years B.P.Sold for (Inc. bp): £39
Petrified tree sections showing clear internal structure in contrasting colours. 593 grams total, 14.5-15 cm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Composite Mosasaur 'Marine Dinosaur' Tooth Matrix
Cretaceous Period, 145-65 million years B.P.Sold for (Inc. bp): £78
Comprising six Mosasaur prognathodon teeth set on a composite matrix. 1.55 kg, 20.5 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish.