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LOT 2451
Fossil Crinoid Plate
SILURIAN PERIOD, 445-416 MILLION YEARS B.P.
6 1/2 in. (473 grams, 16.5 cm).
Tongue-shaped matrix with a fossil crinoid, possibly Scyphocrinites elegans. [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:
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Fossil Perisphinctid Ammonite
Jurassic Period, circa 174-145 million years B.P.Sold for (Inc. bp): £33
Perisphinctid indogermanus fossil ammonite showing clear ribbing on both sides. 154 grams, 87 mm
From a Lincolnshire, UK, collection. -
Knightia Double Fossil Fish Plate
Eocene Period, circa 58-36 million years B.P.Sold for (Inc. bp): £46
An oval matrix with Knightia alta specimens. 47.5 grams, 10.2 cm
From Wyoming, USA. From a Cambridgeshire, 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. -
Polished Fossil Coral Head Heart Group
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £39
Comprising five polished hearts, each showing internal coral structure. 106 grams total, 27-36 mm
From a Cambridgeshire, UK, collection.
