Dr. Nagy I. Zoltán szerk.: Fragmenta Mineralogica Et Palaentologica 5. 1974. (Budapest, 1974)

lia liverovskae

, respectively. The position ot the overlying transitional horizon is doubtful; here the dominant species is Globigerina officinalis

. The thickness of the zone still remains unknown because of lacking a complete profile. Globigerina postcretacea Zone Author

: SAMUEL and SALAJ, 1968, pp. 105-106., modified. Definition: From the marked decrease of the Mediterranean species up to the appearance of Globigerina euapertura. Remarks: Owing to the afore mentioned causes, it is impossible to draw a more precise lower boundary for this zone. It cannot be defined with any first evolutionary appearance, because all of the new forms appear already in the Eocene. On the basis of Bore-vj ru-<]-\j>j-\3->j-<]-\3>j-o r\_> rv> ro ro ru ro-o roro~o^o-\] Species o i—

• & HfD Hn ÛJ tripartita tapuriensis tripartita tripartita praebulloides gr. angustiumbilicata ouach. ouachitaensis ouachitaensis gnaucki officinalis senilis co o dissimilis dissimilis martini scandretti na aff.gortanii gortanii S'Y up

jca-va primitive linaperta H-o* angiporoidea £ o eocaena eocaena -j^-jJ^-^ocaena compacta o c opima nana $£ liverovskae £<j> brevispira a> increbescens Globorotaloides suteri Chiloguembelina cubensis Chiloguembelina gracilliaa «fi angustiumbi licata ass. altion S^uckí assoc EOCENE disap pear, OLIGOCENE Table II. The planktonic Foraminifera zonation of borehole Rózsadomb-8/3 (Budapest). II. táblázat. A plankton foraminiferák eloszlása a budapesti Rózsadomb 8/3-as fúrásban.