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LOT 2513
Natural History - British Promicroceras Fossil Ammonite Group
JURASSIC PERIOD, CIRCA 190 MILLION YEARS B.P.
2 1/4 - 3 3/8 in. (384 grams total, 57-85 mm).
Comprising four irregular matrices with Promicroceras planicosta fossils. [4, No Reserve]
ProvenanceFound Charmouth, Dorset, England.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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LOT 2513
Natural History - British Promicroceras Fossil Ammonite Group
Sold for (Inc. bp): £52
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Natural History - Fossil Diplomystus Fish
Eocene period, circa 58 million years B.P.Sold for (Inc. bp): £111
Diplomystus sp. specimen on a matrix. 328 grams, 14.5 cm
From Wyoming (Green River Formation), 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 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. -
Natural History - 'Onchosaur' Fossil Rostral Spine Group
Cretaceous Period, circa 100-66 million years B.P.Sold for (Inc. bp): £39
Comprising three large fossil Onchopristus numidus sawfish rostral teeth. 21 grams total, 47-53 mm
From in the phosphate mine region, Khouribga, Morocco, North Africa. From a Cambridgeshire, UK, collection. -
![Natural History - Black Obsidian Volcanic Glass Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/211448-s.jpg)
Natural History - Black Obsidian 'Volcanic Glass' Specimen Group [100]
Sold for (Inc. bp): £39
Comprising a large quantity of cut specimens of various sizes and shapes. 1.1 kg total, 26-61 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
