Offered from the Albert Collection,is a rarely seen and sharply preserved 2cm example of the Olenid Triarthrus parchaoensis Harrington & Leanza 1957, from the Lower Arenig Series; Ogygiocaris araorhacis Biozone (Dapingian,or earliest Dariwillan) of Salta Province, Argentina.

This example is crisply preserved with the left librigena intact; the right truncated by a natural joint.The cephalon and articulated thoracic somites retain some of their original shell. The anterior thoracic pleurae are slightly damaged.

Matrix approx: 4cm X 4cm.

Great price for for an attractive and complete example of a rarely seen species from Argentina,.......one for the specialist.

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