Dentition and histology in titanosaurian dinosaur embryos ...
· There is no evidence of a medullary cavity in any bone. Discussion Dentition. Wear facets. The development of 'V'shaped wear facets has been suggested as a synapomorphy of Eusauropoda (sauropods more closely related to Saltasaurus than to Vulcanodon: Wilson and Sereno 1998, character 36) and attributed to 'interdigiting occlusion'.