Museum Nobiliasaphus delessei Valongo Trilobite from Portugal

Nobiliasaphus delessei Trilobite

Trilobites Order Asaphida, Family Asaphidae

Size (25.4 mm = 1 inch): Trilobite is 75 mm ( 3 ” ) in length, on a 23 cm x 18 cm ( 9 x 6 3/4” ) plate

Fossil Site: Valongo Formation, Covelo, Portugal

Fossil Code: PFT187

Fossil Price: $650.00

Description: Valongo trilobites are easily recognized by their ghostly and other-worldly appearance. They are normally compressed, distorted, and the matrix has a slatey appearance. With these attributes, they are instantly recognizable. This one is part of a small batch of large and well-preserved specimens that I just procured. Personally, I include Valongo trilobites amongst some of my favorite species. This one is fully 3D, and has excellent presence. Note the pygidial spine. The species is quite uncommon and the first I have encountered.

This formation is a monotonous succession of marine silty mudrocks transformed into dark slate by low regional metamorphism.
Please click this link to a website with extensive background on the Valongo Formation: http://fossilport.planetaclix.pt/triloval/introduction.htm.

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