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LOT 1921
Natural History - Medium Agate Crystal Geode Half Group
1 1/8 - 2 5/8 in. (1.8 kg total, 2.8-6.8 mm).
A mixed group of agate geode halves, most displaying crystals to the exposed inner recesses. [50, No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Hyphalosaurus Fossil in Matrix
Cretaceous Period, circa 122 million years B.P.Sold for (Inc. bp): £52
A Hyphalosaurus sp. fossil aquatic reptile in a sub-rectangular matrix; held in a display box with a fabric covering. 150 grams, 16 cm (344 grams total, 24.5 x 17.5 cm including box)
From China. Ex Lincolnshire, UK, collection.
Hyphalosaurus means 'submerged lizard' and was a genus of freshwater aquatic reptiles that resembled miniature plesiosaurs. It was an active predator that captured small prey animals like arthropods and fish with a sideways strike, similar to modern crocodiles. -
Natural History - Large Polished Goniatite Display Plate
Devonian Period, 417-354 million years B.P.Sold for (Inc. bp): £195
A fossil Goniatite sp. ammonoid display plate, polished to reveal the internal structure of the gas-chambers. 4.8 kg, 36 cm
From Morocco, North Africa. Ex Cambridgeshire, UK, collection. -
Natural History - Mastodon Tusk Carving
Pliocene Period, 5.2-2.5 million years B.P.Sold for (Inc. bp): £338
A Mastodon fossil tusk carving depicting a stylised face. 44 grams, 93 mm
From Island of Java. Acquired 1950s-1960s. From an old Bristol, UK, paleontological collection.
