Fig. 7

CT-scans of pathologic and normal caudal vertebrae of Aucasaurus garridoi MCF-PVPH-236. A, anterior; and B, lateral views of the 5th and 6th caudal vertebrae, and 5th haemal arch. Tomographic images in C, parasagittal section; D, coronal section; and E, transverse section. F, anterior; and G, lateral views of the 12th and 13th caudal vertebrae. Tomographic images in H, parasagittal section; I, coronal section; and J, transverse section. The dashed-line boxes indicate the zone among fused vertebrae without an intercentrum space. The green lines indicate the planes of the slices. Abbreviations: 5th, fifth caudal vertebra; 6th, sixth caudal vertebra; 12th, twelfth caudal vertebra; 13, thirteenth, caudal vertebra; asha, articulation surface for the haemal arch; ha, haemal arch; ics, intercentrum space; nc, neural canal; tp, transverse process. Scale bars 10 cm