Detailed Silurian Sea Scorpion Pterygotus from Scotland

Pterygotus (Erettopterus) bilobus

Phylum Arthropoda, Subphylum Chelicerata, Class Merostomata, Order Eurypterida, Family Pterygotidae

Geological Time: Upper Silurian

Size (25.4 mm = 1 inch): Fossil is 150 mm long (overall); 110 mm body. Matrix: 180 mm by 110 mm

Fossil Site: Kip Burn Formation, Ludlow Series, Leshmagow, Lanakshire, Scotland

Fossil Code: UKF271

Price: Sold

Silurian Sea Scorpion Pterygotus Description: While Eurypterids (“Sea Scorpions”) are uncommon fossils worldwide, New York state, Scotland,Pterygootus and the Kamenec-Podol’skij Mine of the Ukraine are some of the few places where conditions for preservation have been ideal. They were large arthropod predators during the Silurian and Devonian, reaching a maximum length of 2.3 meters. The Eurypterids are thought to have been the first creatures to conquer land, at least on a temporary basis. It is presumed to have crawled along the seafloor, using its grasping pincers to seize trilobites and other prey. This fine example has the swimming paddles and both of the chelae(grasping appendages) preserved. The specific name refers to the bilobed telson. Specimens such as this are no longer available, except from old collections, as they are is now protected. This one was professionally prepared in the United Kingdom.

Fossil Purchase

click fossil pictures to enlarge

Silurian Sea Scorpion Pterygotus

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