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LOT 2310
Knightia Multiple Fossil Fish Plate
EOCENE PERIOD, CIRCA 58-36 MILLION YEARS B.P.
5 5/8 in. (192 grams, 14.4 cm).
An oval matrix with four small and one large Knightia alta specimens. [No Reserve]
ProvenanceFrom Wyoming, USA.
From a Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah), in the Green River Formation, are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Uinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time.
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AUCTIONS:
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LOT 2310
Knightia Multiple Fossil Fish Plate
Estimate £30 - 40€35 - 46 (for guidance only)$41 - 54 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
-
Triple Fossil Mesosaurus Reptile Plate
Permian Period, circa 299-298 million years B.P.Estimate: £200 - 300 (+bp*)
Opening Bid: £5
Rectangular plate with three extinct genera of aquatic reptile skeletons; restored. 363 grams, 30 cm
From a Cambridgeshire, UK, collection. -
Mosasaur 'Marine Dinosaur' Tooth with Root
Cretaceous Period, circa 145-66 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
A Mosasaur prognathodon tooth with some root, showing good enamel; repaired. 120 grams, 13.2 cm
From a Cambridgeshire, UK, collection. -
Box of Eighteen [18] Mineral and Crystal Specimen Collection
Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Boxed group of specimens including a hexagonal sapphire crystal, amethyst, lazurite, calcite, red jasper, quartz, malachite, prehnite(?), and others. 1.45 kg total, 0.8-11.7 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.