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Perisphinctes cautisnigrae

Perisphinctes cautisnigrae

SKU: OXFSM 6.0A
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One side and the venter of a very large yet still wholly septate internal mould with 5 whorls showing excellent detail of the sutures and ribs. The strong primaries lead to bifurcating and trifurcating secondaries high on the whorl side and pass uninterruptedly over the venter. From Optevoz, France.

Size: 243mm diameter