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LOT 2304
Natural History - Polished Kambaba Orbicular Bacteria Jasper Palm Stone
CIRCA 3 BILLION YEARS B.P.
2 3/8 in. (128 grams total, 60 mm).
Also known as crocodile jasper, polished to an egg-shaped specimen with attractive surfaces. [No Reserve]
ProvenanceFrom Madagascar.
Ex Bristol, UK, collection.
This stromatolite formed in shallow waters from the build up of a group of cyanobacteria. It is also known as blue-green algae and their fossil record dates back almost three and a half billion years.
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 2304
Natural History - Polished Kambaba Orbicular Bacteria Jasper Palm Stone
Sold for (Inc. bp): £65
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Natural History - Large British Hildoceras Fossil Ammonite Display
Jurassic Period, Toarcian, circa 190 million years B.P.Sold for (Inc. bp): £65
Showing a Hildoceras bifrons fossil ammonite specimen in a free-standing matrix. 1.8 kg, 15.5 cm
From North Yorkshire, UK. -
Natural History - Large British Asteroceras Fossil Ammonite
Jurassic Period, circa 202-201 million years B.P.Estimate: £1,500 - 2,000 (+bp*)
Opening Bid: £278
An Asteroceras sp. polished fossil ammonite displayed in a free-standing matrix; from the Frodingham Ironstone Member. 3.5 kg, 22 cm wide
From the exhausted Coningsby Quarry, Scunthorpe, Lincolnshire, UK. -
Natural History - Fossil 'African T-rex' Dinosaur Tooth
Cretaceous Period, circa 145-93 million years B.P.Sold for (Inc. bp): £156
From Carcharodontosaurus saharicus. 19.8 grams, 62 mm
From the Tegana formation of the Sahara Desert, Morocco. Acquired during the 1980s. From an old Lincolnshire, UK, collection.
The Carcharodontosaurus saharicus was one of the largest predators (larger than its distant North American T-Rex cousin) of all time and is also related to Allosaurus and the South American Giganotosaurus.
