Long-spined Dionide Portuguese Trilobite

Dionide markei

Trilobite Order Asaphida; Family Dionididae

Geological Time: Ordovician

Size (25.4mm=1 inch): 40 mm width, 25 mm height on a 70 mm x 60 mm plate

Fossil Site: Valongo Formation, Porto, Portugal

Code: P-2

Price: $125.00

Description: This Trinucleid trilobite is one of the very rare species from the Valongo Fm. The thorax, pygidium and cehalon are in excellent condition. The glabella is inflated and the specimen has an attractive rusty yellow patina. The only flaw is that the left genal spine is half missing, but few are ever found with any genals at all.

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