walteri aff. aff. spp. spp. imperfectus
Chronostratigraphy Offshore Norway sp. 1 Geologic Time Scale 2012 Zonation (Gradstein et al., 1999, and this study) Allomorphina halli / pyriformis Sigmoilina antiqua Textularia Gavelinella intermeda gracillima Valvulineria Bulbobaculites problematicus Caudammina ovuloides Nuttallinella florealis Stensioeina granulata polonica Inoceramus spp. (prisms) Rzehakina minima Rzehakina epigona Fenestrella bellii Gaudryina filiformis Trochamminoides Haplophragmoides Gavelinella usakensis Caudammina ovula Coarse agglutinated spp. LCO dubia Tritaxia Plectorecurvoides alternans Reussella szajnochae Recurvoides Hippocrepina depressa Psammosphaera sphaerical radiolarians Ma Age/Stage Lingulogavelinella jarzevae
elegans Lt NCF19 Maastrichtian volutus LCO 70 NCF18 E szajnochae
dubia Lt 75 LCO of NCF17 Campanian Deep Water M Agglutinated 80 Foraminifera
E bellii NCF16
Lt Inoceramus LCO NCF15 85 Santonian M E polonica NCF14 Lt Coniacian M E Marginotruncana NCF13 90 Lt
Turonian M E Dicarinella NCF12 95 Lt brittonensis M NCF11 Cenomanian delrioensis LCO NCF10 E antiqua NCF9 100
Figure 2.8c. Stratigraphic ranges of Upper Cretaceous benthic foraminifera, and miscellaneous index taxa, o shore mid-Norway, with the foraminiferal zonation established in this study. s.l.
Chronostratigraphy Offshore Norway Geologic Time Scale 2012 Zonation (Gradstein et al., 1999, and this study) Abathomphalus mayaroensis Pseudotextularia elegans Hedbergella planispira Hedbergella hoelzi Praeglobotruncana delrioensis Praeglobotruncana stephani Whiteinella brittonensis Dicarinella hagni Dicarinella primitiva Dicarinella imbricata Marginotruncana marginata Marginotruncana fornicata Marginotruncana coronata Dicarinella concavata Dicarinella carinata Globigerinelloides volutus Globotruncanella havanensis Globotruncanella intermedia Rugoglobigerina tradinghousensis Rugoglobigerina rotundata Rugoglobigerina rugosa Ma Age/Stage Hedbergella delrioensis Globotruncana lineiana Rosita contusa
elegans NCF19 Lt Maastrichtian volutus LCO 70 NCF18 E szajnochae
dubia Lt 75 LCO of NCF17 Campanian Deep Water M Agglutinated 80 Foraminifera
E bellii NCF16
Lt Inoceramus LCO NCF15 85 Santonian M E polonica NCF14 Lt Coniacian M E Marginotruncana NCF13 90 Lt
Turonian M E Dicarinella NCF12 95 Lt M brittonensis NCF11 Cenomanian delrioensis LCO NCF10 E antiqua NCF9 100
Figure 2.8b. Stratigraphic ranges of Upper Cretaceous planktonic foraminifera index taxa, o shore mid-Norway, with the foraminiferal zonation established in this study.
Foraminiferal Zonal Indicators - Offshore Norway
Chronostratigraphy Offshore Norway Geologic Time Scale 2012 Zonation (Gradstein et al., 1999, Ammoanita globorotaliaeformis Protomarsonella kummi Diverse nodosariids & ostracods Patellina & Globospirillina Glomospirella gaultina Gavelinella barremiana Hedbergella infracretacea chapmani Verneuilinoides Caudammina crassa Recurvoides spp. Uvigerinammina una Sigmoilina antiqua Ma Age/Stage and this study) Falsogaudryinella praemoesiana Falsogaudryinella xenogena Hedbergella planispira Globigerinelloides bentonensis Falsogaudryinella alta Osangularia schloenbachi Hedbergella delrioensis
90 Lt Marginotruncana NCF13 Turonian M E Dicarinella NCF12 Lt ? 95 M brittonensis NCF11 Cenomanian delrioensis LCO NCF10 E antiqua NCF9 100 ?
schloenbachi NCF8 Lt 105 ? Albian una NCF7
M Recurvoides spp. NCF6 110 E chapmani
115 NCF5
Lt ? 120 Aptian
125 E NCF4
Lt barremiana Barremian M 130 E xenogena NCF3 praemoesiana acme NCF2 Hauterivian Lt E kummi NCF1
Figure 2.8a. Stratigraphic ranges of Lower Cretaceous index taxa, o shore mid-Norway, with the foraminiferal zonation established in this study.