1.) Type collections
Type- and reference collection to Herb, R. and Schaub, H. (1963). Zur Nummulitenfauna des Mitteleozäns von Sorde-l'Abbaye (Landes, Frankreich). Eclogae geol. Helv. 56(2): 973-999, plates 1-12. The illustrated holotypes and specimens are integrated in the reference collection to Schaub, H. (1981) at the NMB in Basel.
The illustrated holotypes and specimens are integrated in the big nummulite reference collection to Schaub, H. (1981). For more information about the localities and sections bearing Schaub and Herb field numbers for specimens from Sorde l'Abbaye refer to Hottinger, L., Schaub, H. and Vonderschmitt, L. (1956).
Type collection to Herb, R. and Hekel, H. (1973). Biostratigraphy, variability and facies relations of some Upper Eocene nummulites from Northern Italy. Eclogae geol. Helv. 66(2):419-445.
Type- and reference collection to Herb, R. and Hekel, H. (1975). Nummuliten aus dem Obereocaen von Possagno. Schweizerische Paläontologische Abhandlungen, 97:113-211.