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

Plate VII. Globorotalia velascoensis zone Sample no. 4. All drawings X 120 Pig. 1. Globorotalia velascoensis (CUSHMAN) Pig. 2. Acarinina rotundimarginata SUBBOTINA Pig. 3. Zeauvigerina aegyptiaca SAID & KENAWY Fig. 4. Globorotalia pseudoscitula GLAESSNER Fig. 5. Globorotalia convexa SUBBOTINA Fig. 6. Globorotalia aequa CUSHMAN & RFNZ