EntityQ597530· pop 5· linked from 74 articlespostorbital barSign in to savestraight or arched rod of bone that forms the posterior rim of the eye opening (orbit) in amniote skullsConnectionsprimateEntitybirdEntitymammalEntityChiropteraEntityInternational Standard Book NumberEntityCarnivoraEntityskullEntitypaleontologyEntityArtiodactylaEntitydigital object identifierEntityInternational Standard Serial NumberEntityellipseEntityodd-toed ungulateEntitySireniaEntitySimiiformesEntityDermopteraEntityOCLC, Inc.EntityScandentiaEntityQ180686EntityDiprotodontiaEntityCategoriesMammal anatomyPrimate anatomySkull