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GONIATITE SHOWING CONSTRICTIONS - CARBONIFEROUS, DERBYSHIRE.
Beyrichoceras sp.
Small perfect matrix free Goniatite. Shows 2 'constrictions' or growth arrest stages.
Carboniferous, Visean.
Treak Cliff, Castleton, Derbyshire.
Goniatite : 1.3 cm diam.
Our Price: £5.00
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