LOVELY XIPHEROCERAS (POSITIVE / NEGATIVE ) -JURASSIC, DORSET.

Xipheroceras dudressieri (d'Orbigny).

Beautifully preserved 3D specimen to centre. Both positive and negative. An absolute 'gem'

Jurassic, Upper Sinemurian, Obtusum Zone.
​​​​​​​Black Ven, Charmouth, Dorset.

Ammonite : 4.3 cm diam.