Steps toward a global standard for Ordovician stratigraphy

• 15 January 1998
• journal article
• Published by Schweizerbart in Newsletters on Stratigraphy
• Vol. 36  (1) , 1-33
• https://doi.org/10.1127/nos/36/1998/1

Abstract

Keywords

• ORDOVICIAN
• GRAPTOLITES
• ORDOVICIEN
• GRAPTOLITHES
• ORDOVIZ
• GRAPTOLITHEN
• LAPWORTH
• SEDGWICK
• MURCHINSON