Dr. Nagy I. Zoltán szerk.: Fragmenta Mineralogica Et Palaentologica 3. 1972. (Budapest, 1972)

Globorotalia angulata / Globorotalia pusilla pusilla zone Sample no, 7* All drawings X 120 Pig. 1. Globorotalia pusilla pusilla BOLLI Pig. 2. Globorotalia compressa (PLUMMER) Pig. 3. Globorotalia angulata (WHITE) subspecies abundocamerata BOLLI Pig. 4. Globorotalia perclara LOEBLICH & TAPPAN Fig. 5. Globigerina incisa HILLEBRANDT Fig. 6. Globorotalia apenthesma LOEBLICH & TAPPAN