Bernaola, Gilen, Spain

• Geologica Acta Vol. 20 (2022) - Biochronology of the South Pyrenean Cenozoic, in memoriam Josep Serra-Kiel
  The early/middle Eocene transition at the Ésera valley (South Central Pyrenees): Implications in Shallow Benthic Zones (SBZ)
  Abstract  PDF
• Geologica Acta Vol. 18(2): Compilation volume of articles from different years (2019-2022) about biochronology of the south Pyrenean Cenozoic, in memoriam Josep Serra-Kiel - Biochronology of the South Pyrenean Cenozoic, in memoriam Josep Serra-Kiel
  The early/middle Eocene transition at the Ésera valley (South Central Pyrenees): Implications in Shallow Benthic Zones (SBZ)
  Abstract  Link