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LOT 0444
Natural History - Fossil Claudiosaurus Skeleton
LATE PERMIAN-EARLY TRIASSIC PERIOD, CIRCA 252-250 MILLION YEARS B.P.
12 3/4 in. (8.85 kg, 32.5 cm).
On a rounded matrix.
ProvenanceFrom Madagascar.
From a Cambridgeshire, UK, collection.
Claudiosaurus is an extinct genus of diapsid reptiles from the Late Permian Sakamena Formation of the Morondava Basin, Madagascar. It is theorised that this was a semi-aquatic, lizard-like dinosaur.
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AUCTIONS:
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Natural History - Fossil Cretaceous Crocodile Jaw Section
Cretaceous Period, circa 90 million years B.P.Sold for (Inc. bp): £33
A fossilised jaw section with indentations. 270 grams, 10 cm
From the Tegana Formation, Kem-Kem Basin, Morocco, North Africa. From an old German paleontological collection. -
Natural History - Fossil Triple Agadir Ammonite
Cretaceous Period, circa 145-66 million years B.P.Sold for (Inc. bp): £39
Comprising three overlapping Mellitella sp. ammonites on a freestanding matrix. 6.9 kg, 32 cm
From in the phosphate mine region, Khouribga, Morocco, North Africa. From a Cambridgeshire, UK, collection. -
Natural History - Fossil Diplomystus Fish
Eocene Period, circa 58 million years B.P.Sold for (Inc. bp): £33
A negative impression of Diplomystus sp. specimen on a rectangular matrix. 441 grams, 15 cm
From Wyoming (Green River Formation), USA. From an old Bristol, 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 Ulinta, 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.
