This article presents a historiographical review of the generation that has been identified with many denominations: Posnadaístas, Generación sin Nombre, Frentenacionalistas, Desarraigados, Generación Desencantada, Generación Golpe de dados, Poetas del In-xilio, among others. In the read studies there are many labels but is not clear who are the poets that are part of. Those contradictions demonstrate that the method of generational periodization is not suitable, because classified different writers in only one group.