Sawfishes and Other Elasmobranch Assemblages from the Mio-Pliocene of the South Caribbean (Urumaco Sequence, Northwestern Venezuela) Carrillo-Briceño, Jorge D. ; Maxwell, Erin ; Aguilera, Orangel A. ; Sánchez, Rodolfo ; Sánchez-Villagra, Marcelo R. Abstract Publication: PLoS ONE Pub Date: October 2015 DOI: 10.1371/journal.pone.0139230 Bibcode: 2015PLoSO..1039230C