NODOSAURIDAE, Marsh, 1890

Norman, David B, 2021, Scelidosaurus harrisonii (Dinosauria: Ornithischia) from the Early Jurassic of Dorset, England: biology and phylogenetic relationships, Zoological Journal of the Linnean Society 191 (1), pp. 1-86 : 71

Clade NODOSAURIDAE

Total characters under ACCTRAN 11, DELTRAN 10:

1. Skull profile in lateral view arched or domed posterior to the orbit, creating the appearance of ventral flexure.

2. Occipital condyle hemispherical and separated from the braincase by a constricted neck.

3. Basisphenoid and pterygoids fused together.

4. Quadrate head fused to the squamosal-paroccipital.

5. Lateral (infra-) temporal fenestra reduced to a narrow slit.

6. Maxillary and dentary crowns possess welldeveloped cingula.

7. Acromial process of the scapula twisted laterally.

8. Ischial shaft with a pronounced bend at midlength.

9. Lateral cervicopectoral osteoderms develop into tall, conical-subconical plates or spikes.