1. Lower Ordovician conodonts from Köpings klint, central Öland, and the feeding apparatuses of Oistodus lanceolatus Pander and Acodus deltatus;Ahnesjö,1998
2. Conodonts: Lower to Middle Ordovician record;Albanesi,2004
3. Early-Middle Ordovician conodont paleobiogeography with special regard to the geographic origin of the Argentine Precordillera: A multivariate data analysis;Albanesi,2010
4. A proposed global boundary stratotype section and point (GSSP) for the base of the Middle Ordovician Series: The Niquivil section, Precordillera of San Juan, Argentina;Albanesi;Episodes,2006