P4 and greater relative depth of braincase at anterior margin of basioccipital and at posterior margin of M1.
Color of upper parts lighter and more uniform; incisive foramen oval instead of conspicuously constricted posteriorly; posterior margin of incisive foramen farther from premolars.
Posterior margin of the right wing, consisting of flexible feathers.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "posterior margin" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.