[1]
C. Martínez-Pérez and J. I. Valenzuela-Ríos, “New Lower Devonian Polygnathids (Conodonta) from the Spanish Central Pyrenees, with comments on the early radiation of the group”, JIGE, vol. 40, no. 1, pp. 167–178, Jan. 2014, doi: https://doi.org/10.5209/rev_JIGE.2014.v40.n1.44095