1. First documentation of the Polygnathoides siluricus conodont Zone (Ludfordian) in South America (Argentina) and the stratigraphic significance of the younger species of Kockelella (Conodonta). (17th October 2018) Authors: Gómez, María José; Mestre, Ana; Garcías, Yanina; Corradini, Carlo Editors: Somerville, I. D. Journal: Geological journal Issue: Volume 54:Number 6(2019) Page Start: 3455 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗