Reference

Felix Schlagintweit, Michael Wagreich (2004): Hemicyclammina chalmasi (SCHLUMBERGER, 1899) - Larger Benthic Foraminifera from the Upper Cretaceous Gosau Group of the Northern Calcareous Alps (Gosau, Austria) – Jahrbuch der Geologischen Bundesanstalt – 144: 367 - 372.