Ornithothoraces follows the results of a phylogenetic analysis by Wang "et al.", 2016: Ornithothoraces Ornithothoraces is a group of avialans that includes all enantiornithes ("opposite birds") and the euornithes ("true birds"), which includes modern birds and their closest ancestors. The name Ornithothoraces means "bird thoraxes". This refers to the modern, highly advanced anatomy of the thorax that gave the ornithothoracines superior flight capability compared with more primitive avialans. This anatomy includes a large, keeled breastbone, elongated coracoids and a modified glenoid joint in the shoulder, and a semi-rigid rib cage. The earliest known members of the group are the enantiornitheans "Protopteryx
Scientific University of the South Campus Villa. For transportation of students inside the campus, the university provides bicycles. The former Hall A was equipped, remodeled and re-inaugurated in 2013 as "Fernando Cabieses Molina" Research Hall. The building stands as the mainstay of scientific production in the university. Besides several research and teaching laboratories, it has an anatomy amphitheater. The library offers its services in two campuses. The Main Library, which is settled in Campus Villa 1, contains most of the collection and resources. The library settled in the “Casona“, in Miraflores District, Lima, has a smaller collection, though, it may request books and other resources