Hautier Lionel, Gomes Rodrigues Helder, Billet Guillaume & Asher Robert J., 2016 — The hidden teeth of sloths: evolutionary vestiges and the development of a simplified dentition. Scientific Reports vol. 6, n° 27763, p. 1-9
https://dx.doi.org/1038/srep27763
Gomes Rodrigues Helder, Cornette Raphaël, Clavel Julien, Cassini Guillermo, Bhullar Bhart-Anjan S., Fernández-Monescillo Marcos, Moreno Karen, Herrel Anthony & Billet Guillaume, January 2018 — Differential Influences of Allometry, Phylogeny and Environment on the Rostral Shape Diversity of Extinct South American Notoungulates. Royal Society Open Science vol. 5, 1 : 171816, p. 1-12
ISSN
2054-5703
https://dx.doi.org/10.1098/rsos.171816
Gomes Rodrigues Helder, Lefebvre Rémi, Fernández-Monescillo Marcos, Mamani Quispe Bernardino & Billet Guillaume, July 2017 — Ontogenetic Variations and Structural Adjustments in Mammals Evolving Prolonged to Continuous Dental Growth. Royal Society Open Science vol. 4, 7:170494, p. 1-12
ISSN
2054-5703
https://dx.doi.org/10.1098/rsos.170494
Gomes Rodrigues Helder, Herrel Anthony & Billet Guillaume, January 2017 — Ontogenetic and Life History Trait Changes Associated with Convergent Ecological Specializations in Extinct Ungulate Mammals. Proceedings of the National Academy of Sciences vol. 114, n° 5, p. 1069-1074
ISSN
0027-8424, 1091-6490
https://dx.doi.org/10.1073/pnas.1614029114