Species: lipanglef CRUZADO-CABALLERO, GASCA, FILIPPI, CERDA & GARRIDO, 2019
Etymology: Mapuche, lipang, "arm" and lef, "lightly," in reference to the gracil nature of the specimen in particular the slender architecture of its rorelimbs.
Locality: The Cero Overo Site, near the town of Rincon de los Sauces, Neuquen Province, Argentina.
Horizon: Bajo de la Carpa Formation.
Age: Santonian Stage, Lowerermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Last 4 cervical vertebrae (the most anterior of them extracted outside the plaster jacket) and the correspoinding ribs, and additional posterior cervical centrum, the most anterior 6 vertebrae and 7 left ribs of the dorsal eries, scapulae, coracoids, and stern plates, 4 intercostal plates (located between teh second and sixth dorsal ribs), as well as the right forelimb (also articulated by recovred outsied the plaster jacket) including humerus, radius, ulna and almost complete manus (excluding some distal phalanges.