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LOT 2254
Natural History - Historic Mixed Fossil Collection
1 3/8 - 3 3/4 in. (1.12 kg total, 34-95 mm).
A mixed group comprising: fossil shells on a matrix from England; a partial fish vertebra from England; a large carnelian specimen from Brazil; a matrix with Myophorella clavellata and a Thracia depressa from England; a bivalve from England; a scallop from England; a pyritized ammonite from Peterborough, England; a bivalve; Nummulites elegans specimens in an old specimen box with collection no.E104. [11, No Reserve]
ProvenanceAcquired from various sources within the UK.
Ian Wilkinson collection, Nottinghamshire, UK, formed since 1985.
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AUCTIONS:
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Natural History - Fossil Rastellum Bivalve
Jurassic Period, circa 155 million years B.P.Sold for (Inc. bp): £7
A Rastellum carinatum fossil bivalve. 121 grams, 66 mm
From a Cambridgeshire, UK, collection. Property of a Cambridgeshire, UK, gentleman.
Rastellum carinatum specimens have wide, angled ribs that have led to it being called the 'denture clam'; the zig-zag join between the two shells stopped coarse dirt and debris entering the shell and damaging its soft body. Like modern oysters, it lived in shallow coastal waters including the interstitial zone and fed on food particles that it filtered out of the sea water. -
Natural History - Polished Seymchan Meteorite Slab
Found June 1967 A.D.Sold for (Inc. bp): £286
A highly polished rectangular slice of the Seymchan meteorite with an exceptional number of transparent olivine inclusions, repaired. 62.4 grams, 12 cm
From the private collection of a London gentleman, from his grandfather's collection formed before the early 1970s.
The main mass of 272.3 kilograms was found during a survey in June 1967 by geologist F. A. Mednikov. The mass was a triangular-shaped thumb printed meteorite lying among the stones of the brook bed. A second specimen of 51 kilograms was found with a mine detector at a distance of 20 meters from the first in October 1967 by I. H. Markov. During a new expedition in 2004, Dmitri Kachalin recovered about 50 kilograms of new material. Remarkably, about 20% of the new specimens were found to contain olivine crystals, and so revealed the silicate nature of the meteorite. The pallasitic structure was not previously discovered during studies on small metal-only sections of the original mass. The distortion of the Widmanstatten patterns is interpreted as shearing of the superheated meteorite as it broke up in the Earth's atmosphere. -
Natural History - Fossil Cave Bear Lower Jaw
Late Pleistocene Period, circa 40,000-20,000 years B.P.Estimate: £400 - 600 (+bp*)
Opening Bid: £80
Comprising the right side of Ursus spelaeus lower jaw with three molars and canine (repaired). 304 grams, 20.5 cm
From the private collection of a London gentleman formed since 2003.
The cave bear was a prehistoric species of bear that lived in Europe and Asia, and became extinct about 24,000 years ago during the Last Glacial Maximum.
