Carlorosi, J., et al. «Ordovician Conodonts of the Devendeus Formation at the Angosto De La Quesera (Cordillera Oriental of Salta, Argentina): Taxonomic Considerations and Biostratigraphic Significance». Geologica Acta, vol. 9, núm. 2, juliol 2011, p. 187-9, https://raco.cat/index.php/GeologicaActa/article/view/244268.