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Monomorphichnus bilinearis

Monomorphichnus bilinearis

SKU: TRF 8.0
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Holotype os species & genus. First recorded trace of trilobite drifting with current & scooping ocean floor. 3 consecutive marks from one animal, largest c.50 x 15mm, plus 2 additional ones. Current direction shown by fine groove casts. From Borth-y-Gest, N. Wales.

Size: 210 x 70mm