Other features which are typically thought to be associated with skeletal pneumaticity, are also present in " Guchengosuchus ", " Erythrosuchus ", and in several archosaurs.
12.
Scientists have debated as to how sauropods were able to breathe with their large body sizes and long necks, which would have increased the amount of pneumaticity, which could have played a role in respiration as it does in birds.
13.
At the upper and front part of the process they are large and irregular and contain air ( a form of skeletal pneumaticity ), but toward the lower part they diminish in size, while those at the apex of the process are frequently quite small and contain marrow; occasionally they are entirely absent, and the mastoid is then solid throughout.
