Sigaloceras ( Sigaloceras ) calloviense Sowerby, 1815.
Fine 3D complete specimen on matrix with fossil wood. Developed to the centre. Sutures showing in one area. Lovely display piece.N.B HEAVY AT 1.4 KILOS.
Jurassic, Callovian, Kellaways Rock.
Ashton Keynes, Wiltshire.
Ammonite : 9.9 cm diam.
