Dr. Nagy I. Zoltán szerk.: Fragmenta Mineralogica Et Palaentologica 7. 1976. (Budapest, 1976)

PLATE 2. 1: Nummulites atacicus LEYMERIE - B-form - a = axial section (x 20), b = equatorial section. 2: Operculina jiwani DAVIES grandis n. ssp. - equatorial section (x 15) 3: Operculinoides daviesi HASSAN - a = axial section, b = equatorial section (x 20) 4: Assilina subsplnosa DAVIES - equatorial section (x 20) 5. 8: Assilina dandotica DAVIES - equatorial section (x 15) 6. Nummulites globulus LEYMERIE - A-Form - equatorial section (x 15) 7. Nummulites solitarius DE LA HARPE - A-Form - axial section (x 20) 9: Operculina patalansis DAVIES - equatorial section (x 10)