Reference

Donato di Bari, Gian Franco Laghi, Franco Russo, Adelaide Mastandrea, Claudio Neri (1997): Mineralogy, test architecture and test-wall texture of Pragsoconulus OBERHAUSER, 1963 (Foraminiferida, Carnian, Dolomites) – Beiträge zur Paläontologie – 22: 1 - 11.