Loading, please wait...
LOT 2580
Ophiuroidea Fossil Brittle Star
ORDOVICIAN PERIOD, CIRCA 485.4-443.8 MILLION YEARS B.P.
4 in. (262 grams, 10.3 cm).
A freestanding matrix containing a large Ophiuroidea sp. specimen. [No Reserve]
ProvenanceFrom a Cambridgeshire, UK, collection.
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:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
-
Massive Cut and Polished Septarian 'Egg' Half
Sold for (Inc. bp): £117
The attractive internal structure filled with yellow and brown aragonite crystals. 3.53 kg, 22.5 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Dawn Redwood Plant Fossil
Oligocene Period, circa 34-23 million years B.PSold for (Inc. bp): £7
Two irregular matrices containing dawn redwood fossils, showing twig and needle leaves. 82 grams total, 56-59 mm
From the Muddy Creek Formation, Beaverhead County, Montana, USA. From a Lincolnshire, UK, collection. -
Meteoritic Tektite Specimen
Sold for (Inc. bp): £59
A tongue-shaped specimen with dimpled surface. 8.44 grams, 44 mm
From Indo-China. Acquired from Friars Square market, Aylesbury, UK, October 2012. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments.
