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Horridonia horrida

Horridonia horrida

SKU: PBR 1.1
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Two extremely well preserved ventral valves, each 30 mm across, in life position. Several of the characteristic long spines are present, spanning up to 110 mm. Also shown are the hinge line, "ears" and part of the dorsal valves.

Size: 150 mm x 110 mm block