sentences:  They are visually identifiable by a short skull with large nares, and broad, spatulate teeth filling a thick jaw.Based on cervical vertebrae and cervical rib biomechanics, camarasaurids most likely moved their necks in a vertical, rather than horizontal, sweeping motion, in contrast to most diplodocids.Cladistically, they are defined to be all sauropods more closely related to "Camarasaurus supremus" than to "Saltasaurus loricatus".