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LOT 2280
Natural History - Fossil Seed Fern Group
MIDDLE PENNSYLVANIAN PERIOD, CIRCA 300 MILLION YEARS B.P.
2 5/8 - 3 3/8 in. (240 grams total, 67-87 mm).
Comprising two Pecopteris sp. fossil seed fern pairs. [4, No Reserve]
ProvenanceFrom the Mazon Creek Fossil Beds, Braidwood, Illinois, USA.
Collected 1930-1960.
From the collection of the palaeontologist R Gledhill.
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AUCTIONS:
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Natural History - Large Meteoritic Tektite Group [12]
Sold for (Inc. bp): £39
Meteoric glass, melted terrestrial rock splashed from an impact crater, most roughly ovoid in shape. 969 grams total, 47-83 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments. -
Natural History - Fossil Keichousaurus Marine Reptile Skeleton
Triassic Period, circa 250 million years B.P.Sold for (Inc. bp): £2,340
Comprising a complete Keichousaurus hui skeleton on a rectangular matrix. 2.58 kg, 20 x 29.5 cm
From Xingyi, Guizhou, China. Ex J. Shaul, collection, UK.
Keichousaurus was a late Triassic marine reptile, a member of the Pleurosaur family, which went extinct 250 million years ago during the Triassic-Jurassic extinction event. They were specialised fish eaters, and were highly unusual amongst marine reptiles in that they gave birth to live young rather than laying eggs. -
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Natural History - Ruby in Zoisite Specimen Group [100]
Sold for (Inc. bp): £13
Comprising variously sized irregular chunks. 1.26 kg total, 21-40 mm
From Tanzania. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
