About the Authors

Agustín Scanferla
Consejo Nacional de Investigaciones Científicas Y Técnicas, Instituto de Bio y Geociencias del NOA, Museo de Ciencias Naturales de Salta, Salta, Argentina

Hussam Zaher
Museu de Zoologia, Universidade de São Paulo, São Paulo, Brasil

Fernando E. Novas
Laboratorio de Anatomía Comparada y Evolución de los Vertebrados, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Buenos Aires, Argentina

Christian de Muizon
UMR 7207 CNRS, CP 38, Département Histoire de la Terre, Paris, France

Ricardo Céspedes
Museo de Historia Natural “Alcide D´Orbigny”, Cochabamba, Bolivia

Corresponding Author

agustin_scanferla@yahoo.com.ar

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS HZ. Performed the experiments: AS HZ. Analyzed the data: AS HZ. Contributed reagents/materials/analysis tools: AS HZ FN CM RC. Wrote the paper: AS HZ FN CM.