Reference
Heinz Kozur, Helfried Mostler (1996): Longobardian (Late Ladinian) Oertlispongidae (Radiolaria) from the Republic of Bosnia-Hercegovina and the stratigraphic value of advanced Oertlispongidae – Geologisch-Paläontologische Mitteilungen Innsbruck – SB004: 105 - 193.