Reptile bone - most probably Dinosaur.
Palm sized piece of reptile bone. One surface has been cut and polished to show the internal structure. It shows a central wide 'canal'. radiating ut form this are huge cells. Cells of this size are usually attributed to Sauropod Dinosaurs. Never really seen anything like this in all the bone material from Abingdon.
Jurassic, Kimmeridge Clay.
Oday, Abingdon, Oxfordshire.
Specimen : 8.5 x 8.5 cm.