Previous   |   Close   |   Next

Table T3. Cretaceous planktonic foraminifer datums. (See table notes.)

Species event Zone
(base)
Age
(Ma)
References
LO Abathomphalus mayaroensis   65.0  
FO Abathomphalus mayaroensis A. mayaroenesis 68.6 1, 2
FO Racemiguembelina fructicosa R. fructicosa–C. contusa 69.6 2
FO Contusotruncana contusa R. fructicosa–C. contusa 69.6 2
FO Gansserina gansseri G. gansseri 72.8 1, 3, 4
FO Globotruncana aegyptiaca G. aegyptiaca 73.8 1, 3, 4
LO Radotruncana calcarata G. havanensis 75.2 1, 3, 4
FO Radotruncana calcarata R. calcarata 75.7 1, 3, 4
FO Globotruncana ventricosa G. ventricosa 79.5 1, 3, 4
LO Dicarinella asymetrica G. elevata 83.0 1, 3, 4
FO Dicarinella asymetrica D. asymetrica 85.4 1, 3, 4
FO Contusotruncana fornicata   88.0 2
FO Dicarinella concavata D. concavata 89.5 1, 3, 4
LO Helvetoglobotruncana helvetica M. sigali 90.7 1, 3, 5
FO Helvetoglobotruncana helvetica H. helvetica 93.0 1, 3, 5
LO Rotalipora cushmani W. archaeocretacea 94.0 1, 3, 5
FO Rotalipora cushmani R. cushmani 96.6 1, 3, 5
FO Rotalipora reicheli R. reicheli 96.8 1, 3, 5
FO Rotalipora globotruncanoides R. globotruncanoides 98.9 1, 3, 5
FO Planomalina buxtorfi   100.1 5
FO Rotalipora appenninica R. appenninica 100.4 1, 3, 5
FO Rotalipora ticinensis R. ticinensis 101.7 1, 3, 5
FO Rotalipora subticinensis   102.4 1, 3, 5
FO Biticinella breggiensis B. breggiensis 105.0 1, 3, 5
FO Ticinella primula T. primula 109.5 1, 3, 5
LO Ticinella bejaouaensis "H. planispira" 112.4 1, 3, 5
LO Planomalina cheniourensis   112.6 1, 3, 5
FO Ticinella bejaouaensis T. bejaouaensis 114.3 1, 3, 5
LO Globigerinelloides algerianus H. trocoidea 115.2 1, 3, 5
FO Globigerinelloides algerianus G. algerianus 117.1 1, 3, 5
LO Leupoldina cabri G. ferreolensis 118.2 1, 3, 5
FO Leupoldina cabri L. cabri 120.5 1, 3, 5
FO Globigerinelloides blowi G. blowi 124.0 2
FO Hedbergella similis H. similis–H. kuznetsovae 125.1 2
FO Globigerinelloides spp. H. sigali–H. delrioensis 131.9 2
FO Hedbergella sigali–Hedbergella aptica H. sigali–H. aptica 134.9 2

Notes: LO = last occurrence, FO = first occurrence. 1 = Sliter, 1989; 2 = Premoli Silva and Sliter, 1999; 3 = Caron, 1985; 4 = Erba et al., 1995; 5 = Leckie et al., 2002.

Previous   |   Close   |   Next  |   Top of page