Early Cretaceous (103-138 Ma time-slice) ICS Age
Standard Chronostratigraphy Period
Epoch
Stage
Substage
Cen Mesozoic Paleozoic Precambrian
Sequences
Ammonites
Geomagnetic Polarity
Sponsored, in part, by:
Based, in part, on: CENOZOIC-MESOZOIC BIOCHRONOSTRATIGRAPHY: JAN HARDENBOL, JACQUES THIERRY, MARTIN B. FARLEY, THIERRY JACQUIN, PIERRE-CHARLES DE GRACIANSKY, AND PETER R. VAIL,1998. Mesozoic and Cenozoic Sequence Chronostratigraphic Framework of European Basins in: De Graciansky, P.- C., Hardenbol, J., Jacquin, Th., Vail, P. R., and Farley, M. B., eds.; Mesozoic and Cenozoic Sequence Stratigraphy of European Basins, SEPM Special Publication 60.
Boreal
Sequences
Tethyan
Global
T-R Cycles
Major T-R Cycles
Smaller Benthic Foraminifers
Planktonic Foraminifers Zones
Zonal Markers
Boreal Zonal Markers
Other Boreal Foraminifers
Tethyan markers
Larger Benthic Foraminifers Other Tethyan markers
Zonal Markers
Calcareous Nannofossils
Dinoflagellate Cysts
Radiolarians
North Atlantic
Other Larger Benthic Foraminifers
Zones
Zonal Markers
Other Nannofossils
Zones
Boreal Zonal Markers
Other Boreal Nannofossils
Zones
Zonal Markers
Al 9
102.3
Rotalipora ticinensis
CC9
a
NC10
a
Other Dinocysts
Zones
Zonal Markers
Other Tethyan Dinocysts
Zones
Zonal Markers
NW Europe
Tethys
Calcareous Algae
Stage
Western Europe
Periadriatic
Boreal Ostracodes
Tethyan Ostracodes
Zones
Zonal Markers
Western Europe Horizons Periadriatic Horizons
D. pyrenaica, D. delphinensis
BC26 Eiffellithus turriseiffelii Eiffellithus monechiae Litosphaeridium siphoniphorum
Rotalipora subticinensis
S.hasi
Psaligonyaulax deflandrei Apteodinium maculatum grande
Textularia chapmani
D. obesa, A. horridus, T. veneta
Rotalipora subticinensis
S. asperula
Mortoniceras inflatum
C. int. Hoeglundina chapmani
Epistomina spinulifera
(C34 n)
Al 8
105.1
Simplorbites papyracea
Ticinella praeticinensis
Euhoplites lautus
Anahoplites daviesi Euhoplites nitidus
106.4
Ticinella praeticinensis
E. (Pseudotextulariella) cretosa, Citharinella karreri, Conorboides lamplughi
M. Albian
Gavelinella cenomanica H. reticulata
P. schloenbachi
Same as Boreal (NW Europe)
NC9
M"-2" r set
G. brotzeni
b O. aff. brotzeni
O. (M.) parva
Simplorbitolina manasi
Ceratolithina bicornuta, Owenia hillae
Hoplites dentatus
110
109.2
D. pyrenaicus
C. d'orbignyi
Neohibolites minumus
Saracenaria (Grimsdaleinella) spinosa
Mita spoletoensis
Crucicribrum anglicum
E. lyratus
M. harrisiana P. (K.) nodigera
E. rousseli
c Tranolithus orionatus
P. ali.
BC23
D. pyrenaicus, I. hungarica
110
Cribrosphaerella ehrenbergii
Al 3 Al 2
Leymeriella regularis
110.5
Al 1
Leym. acuticostata
Ticinella primula Gaudrynia dividens
a
P. subfusiformis
111.4
Litosphaeridium arundum Pterodinium aliferum
Neohibolites strombecki
S. lata Plectorecurvoididae alternans
a
S. conulus
Kleithriasphaeridium loffrense
Prediscosphaera columnata Seribiscutum primitivum, Acaenolithus viriosus
112.4 Ticinella bejaouaensis
Farhania varolii Simplorbitolina manasi
Cerbia tabulata
BC22
Acaenolithus viriosus
Gardodinium trabeculosum
Hapsocysta peridictya
H. almerae
Mita gracilis
P. polymorphum
Carpodinium granulatum, P. polymorphum
P. tunesiana (Adriatic)
112.0
C. aptensis M. elitzae
R. bekumensis
A.? darderi
Cerbia tabulata
Ticinella bejaouaensis
Hypacanthoplites rubricosus
R. reticulata
Apteodinium granulatum, Xenascus ceratioides
Hayesites albiensis P. subfusiformis
P. subnodosa, O. aff. brotzeni, Osangularia schloenbachi
Hypa. rubricosus
Sellaea spp., E. plicatus
Prediscosphaera columnata
P. prima
Hypacanthoplites jacobi
Neohibolites minor E. plicatus,"P." cantabricus
b
Pleurostomella praebulbosa
Hedbergella planispira
Ap6
A. umbilicata
NC8
111.0
Leym. schrammeni
Hypacanthoplites jacobi
T. carinata
Dinopterygium cladoides, Surculosphaeridium? longifurcatum
Arenobulimina macfadyeni, D. gradata
Sonn. perinflata
"Cretaceous Normal Super-Chron ("Cretaceous Quiet Zone")"
BC24
Axopodorhabdus albianus
G. flandrini
Otohoplites raulinianus
Hypacanthoplites anglicus
H. lepina, D. undulata, T. tripolitanus
Systematophora cretacea
E. (Pseudotextulariella) cretosa
Sonneratia kitchini
Leymeriella tardefurcata
Albian
R. gr. luermannae
Ellipsodinium rugulosum, Cyclonephelium membraniphorum
S. bettenstaedti
Cleoniceras floridum
E. Albian
C. choffati
H. derooi
Quinqueloculina antiqua
Protohoplites puzosianus Douvilleiceras mammillatum
B. gualtina
A. perforatum
108.2
Ticinella primula Al 4
Atopochara trivolvis restricta
C. pseudodiscors
Tranolithus orionatus
Lyelliceras lyelli Pseudosonneratia steinmanni Otohoplites bulliensis
105
S. cret.
a
107.9 Hoeglundia carpenteri
Braloweria boletiformis
CC8
C. chapmani
Hoplites spathi
Neohibolites oxycaudatus
Xiphophoridium alatum, Psaligonyaulax deflandrei, Wallodinium anglicum, Histiocysta palla, Pervosphaeridium truncatum, Epelidosphaeridia spinosa
Ceratolithina hamata
Mojsisovicsia subdelaruei Al 6 Al 5
Cribroperidinium intricatum
BC25a Axopodorhabdus albianus
Anahoplites intermedius
T. conica
Spiniferites? pterotus Ceratolithina bicornuta
Eiffellithus monechiae
Citharinella karreri
Dimorphoplites niobe
Apteodinium maculatum grande
D. gracilis, R. euganeum, Pseudodictyomitra pseudomacrocephala
Euhop. meandrinus Euhoplites loricatus
Ellipsodinium rugulosum
S. conulus
Hoeglundina carpenteri
Al 7
Carpodinium obliquicostatum
Arenobulimina chapmani, Gavelinella baltica
Citharinella pinnaeformis
Diploceras cristatum
A. dendroacanthos, C. triangulare, A. irregularis, T. pulchra, C. euganea, C. messinae, T. conica
Eggerellina mariae Arenobulimina macfadyeni
Atopochara trivolvis restricta
Endoceratium turneri
Tequlalithus tessellatus, Gartnerago praeobliquum
BC25b
b
A.? darderi, E. rousseli
Xiphophoridium alatum
Systematophora cretacea, Pterodinium aliferum
Hyst. orbignyi
Albian
Palaeohystrichophora cf. infusorioides
Un-Zoned
Lt. Albian
H. lamberti
Neohibolites praeultimus
Hysteroceras varicosum
Lt. Apt. Clansayesian
Charophytes
Carpodinium granulatum
Rotalipora ticinensis
(C34 n)
Ostracodes
Callihoplites auritus
M"-3" r set
112.0
Rudists
Tethys
C34
105
Belemnites
Age
CHRONOS
Updated by James G. Ogg (Purdue University) and Gabi Ogg to: GEOLOGIC TIME SCALE 2004 (Gradstein, F.M., Ogg, J.G., Smith, A.G., et al., 2004) and The CONCISE GEOLOGIC TIME SCALE (Ogg, J.G., Ogg, G., and Gradstein, F.M., 2008)
Time ScaLe R Creator
Neohibolites wollemani Gavelinella intermedia
Nolaniceras nolani
P. prima Conorotalites aptiensis
Ticinella bejaouaensis
Clypeator grovesii lusitanicus
N. regularis Seribiscutum primitivum
Saracenaria (Grimsdaleinella) spinosa
Farhania varolii
P. (K.) nodigera
E. katzeri
Diodochoceras nodosocostatum
Nolaniceras nolani
A. reicheli (Adriatic)
115
Hedbergella gorbachikae
Praereticulinella cuvillieri (+ A. reicheli in Adriatic)
H. lamberti Nannoconus truitti (acme)
115
S. tricostata
Nannoconus truitti (acme) Micrantholithus hoschulzii
Parahoplites nutfieldiensis
b
Prediscosphaera spinosa Rhagodiscus hamptonii
Globigerinelloides algeriana
Sphaerostylus lanceola
Parahoplites melchioris
Rhagodiscus asper
Ap5
117.9
T. conica, X. spicularius Orbitolina (Mesorbitolina.) texana, Praereticulinella cuvillieri
Gavelinella intermedia
Epicheloniceras subnodosocostatum
Nannoconus truitti (acme)
Dufrenoyia transitoria
Gavelinella brielensis
Lenticulina (Gaudriyadhella) ouachensis
Saracenaria (Grimsdaleinella) spinosa, Gaudryina dividens, Valvulineria sp.
Deshay. weissi
Spirillina neocomiana
Ap3
D. ouachensis
125.0
a a
O. cuvillieri
Globigerinelloides blowi
Hayesites irregularis, Flabellites oblongus
Hayesites irregularis
Rhagodiscus gallagheri
Barr6
Imerites giraudi
BC17
Nannoconus abundans
Epistomina hechti
Conusphaera rothii
Rectodictyoconus giganteus, Palorbitolina lenticularis
E. Barrem.
Barr4
Coronites darsi
O. debelmasi
BC15
Barr3
Kotetishvilia compressissima
Barr2
Nick. nicklesi
Barr1
Gavelinella barremiana
Coronotalites intercedens Epistomina caracolla
129.1
Coronotalites bartensteini
Hedbergella similis
129.6
Lenticulina saxonica, Citharina discors
Pseudothurmannia ohmi Balearites balearis
M-Sequence
Milanowskia speetonensis
Ha3
H. vocontianus
CC5
Gavelinella sigmoicosta Campanellula capuensis (Adriatic)
Olcostephanus nicklesi Neocomites peregrinus
Valanginian
Ende. noricum
Neocomites peregrinus Saynoceras verrucosum
Ende. amblygonium
Saynoceras verrucosum
Olcostephanus spp.
E. Val. M12 Prodichotomites M12A
Tegulalithus septentrionalis
Eiffellithus striatus
Lithraphidites bollii Gaudryinella sherlocki
Haplophragmium aequale
Crucibiscutum salebrosum
Rucinolithus windleyae
T. pseudoroemeri
Hechtina praeantiqua, C. seitzi
Va7
Eiffellithus striatus
Tubodiscus verenae
Eiffellithus windii N. bucheri
P. salevensis
Valensiella magna
Muderongia tabulata, Cribroperidinium confossum
Canningia cf. reticulata (of Duxbury, 1977)
Kleithriasphaeridium corrugatum
P. inversa, S. bilobata, S. extranea, P. triplicata
Muderongia staurota
Druggidium rhabdoreticulatum
Muderongia macwhaei
Ophiiobolus sp. A of Davey (1979), Oligosphaeridium abaculum
Gonyaulacysta teicha, A. eilema, Nelchinopsis kostromiensis
Blank
Gonyaulacysta teicha, Oligosphaeridium abaculum, Subtilisphaera perlucida, Ophiobolus sp. A of Davey (1979)
Exochosphaeridium phragmites group Batioladinium longicornutum
C. asymmetricum
Conusphaera rothii Lagenorhytis delicatula, M. macwhaei
Prodichotomites ivanovi Dichotomites bidichotomoides Dich. triptychoites Dich. crassus
Busnardoites campylotoxus
135.4
Va5
135.7
Va4 Va3
H. vocontianus
S. genevensi, S. melitae, A. pouryae, L.? danilovae, P. fragilis, H.? paucicalcarea
136.8
Globuligerina hoterivica
Hedbergella sigali/ delrioensis
Coronifera oceanica Muderongia simplex, Muderongia tetracantha
Blank
Aprobolocysta eilema
M. verae
Hibolites jaculoides
A.? blumenbachi R. renevieri
Prodichotomites polytomus
Lovetchenia sp.
S. frankei, P. rodewaldensis S. extranea
Nematosphaeropsis scala C. validum, Exiguisphaera phragma
M. elitzae
F2
Nelchinopsis kostromiensis
H. catenaeformis I. distincta
S. annulata, C. solkani
Blank Batioladinium varigranosum
K. corr.
S. praethorensis, C. frankei Muderongia staurota
C. parva
Duvalia gervaisiana
S. primaevus
Spiniferites? dentatus, Gochteodinia villosa multifurcata Hystrichosphaeridium arborispinum
F1
Acroteuthis acmonoides
H. hechti, C. frankei, P. triplicata
133.9
P. tubiconcha
Lovetchenia sp.
M. verae, D. hauteriviana
C. frankei, P. triplicata, P. rodewaldensis
Globator maillardii steinhauseri 135
Batioladinium longicornutum, Hystrichodinium furcatum
Biorbifera johnewingii
D. nan.
S. primaevus
E2 Blank
Druggidium apicopaucicum
Duvalia emerici
Subtilisphaera perlucida
Lenticulina ouachensis bartensteini, D. zedlerae
Valensiella magna
F. bidentata
D. hechti
Acroteuthis acrei
Heslertonia heslertonensis
b
Tehamadinium dodekovae
K. humilis
Lenticulina schreiteri, Haplophragmium inconstans erectum
Va2
BC4
Citharina discors
D. (Marssonella) cf. kummi G. eichenbergi
138.2 Lenticulina saxonica Globuligerina oxfordiana, G. stellapolaris, G. caucasica, G. megamonica
Eiffellithus windii
Eiffellithus primus, C. deflanderi
Saracenaria valanginiana
V. aldanchella miliani
Eiffellithus windii
CC3 a
Micranthololithus speetonensis, R. dekaenelii
Influx of Crucielipsis cuvilleri & Speetonia colligata
Nelchinopsis kostromiensis, Muderongia crucis Discorsia nanna
Exiguisphaera phragma, Kleithriasphaeridium simplicispinum
V. mag. S. primaevus, Kleithriasphaeridium porosispinum
C. compta, Tubotuberella apatela, C. speciosum
Cl. grovesii gautieri, P. adnatus, H. neimongolensis P. jurassica, S. annulata, S. johnsoni, C. marteli, R. piailensis, C. solkani
E1b
Systematophora palmula Batioladinium varigranosum, Nematosphaeropsis scala
V. reicheli
H. luci, V. tombecki, M. valdensis, M. eurystoma, M. valangiensis
Foucheria modesta
Zeugrhabdotus trivectis
Tirnovella pertransiens Prodich. hollwedensis
S. bilobata
Rucinolithus wisei D. (Marssonella) kummi
L.? danilovae, S. biokovensis
P. tubiconcha
BC5
Zeugrhabdotus diplogrammus, Zeug. trivectis
130
S. bilobata
F3
Micranthololithus speetonensis Lenticulina eichenbergi
S. melitae
Kleithriasphaeridium corrugatum
Pfenderina neocomiensis
136.2
129.97 S. polyreme, S. muehlbergi
Cribroperidinium confossum
Eiffellithus striatus
NC3
Citharina sparsicostata, T. pseudoroemeri
Citharina harpa, C. seitzi
Karakaschiceras biassalense Busnardoites campylotoxus
A. triquetra, T. calcitrapa, G. m. trochiliscoides, A. trivolvis triqueta
P. inversa
Aprobolocysta eilema
Nexosispinum vetusculum, A. neistosa Gonyaulacysta fastigiata
V. blanda
A.? marticensis, T. carinata
Dapsilidinium warrenii
Coronifera oceanica, Cribroperidinium confossum
Stradnerlithus silvaradius
Praeoxyteuthis pugio
Lithodinia stoverii
Va6
S. genevensis, H.? paucicalcarea
D. hauteriviana
134.6
Epistomina ornata
H. neimongolensis
R. gryphoides, T. transversa, R. ammonia, M. varians, P. sulcata
Florentinia mantellii
Canningia cf. reticulata (of Duxbury, 1977)
Triquetrorhabdulus shetlandensis
Eiffellithus striatus
Atopochara trivolvis triquetra
Muderongia crucis
P. spinosum
BC6
Batioladinium longicornutum
C. trycherium
Eprolithus? antiquus
a
Subtilisphaera terrula
Odontochitina operculata
Repagulum parvidentatum
BC7
Crucielipsis cuvillieri
H. catenaeformis S. hammi
G1 Aulacoteuthis spp.
Rhynchodiniopsis aptiana
D. ouachensis
D. moorbergensis
P. polymorphum
Odontochitina operculata
Subtilisphaera terrula
Cyclagelosphaera margerelii (acme)
Eprolithus? antiquus
H. urladanasi
R. renevieri
D. hauteriviana
Dicostella tuberculatum Dichotomites
Karakaschiceras pronecostatum
BC9
S. terr.
Oxyteuthis brunsvicensis
P. spinosum
Gonyaulacysta fastigiata, Spiniferites? dentatus
Pseudoceratium anaphrissum
Crucielipsis cuvillieri Zeugrhabdotus scutula, Perissocyclus plethotretus
CC4
M11A
Zeugrhabdotus scutula
A. hispanica, H. urladanisi
Muderongia crucis
Cretarhabdus inaequalis
b
M10N
M11
a
Tubodiscus verenae
Tegumentum octiformis
Lenticulina hauteriviana hauteriviana, M. bettenstaedi
Lt. Val.
Tegulalithus septentrionalis
BC8
Speetoniceras inversum
Criosarasinella furcillata
Zeugrhabdotus noeliae (acme), Micrantholithus (acme)
BC10
Textularia bettenstaedti
Ha1 133.6
Criosarasinella furcillata
Speetonia colligata
Speetonia colligata Rucinolithus terebrodentarius, Ruc. windleyae
V. camposaurii (Adriatic)
Endemoceras regale
Rucinolithus terebrodentarius
BC11
Lithraphidites bollii
NC4
Teschenites callisdiscus
135
a
D. (Epistomina) hechti
125
Embergerella cruciata, P. paucibracteatus
H. hechti, S. bilobata, P. triplicata
Lovetchenia sp.
Blank
Nexosispinum vetusculum
Clepsilithus maculosus
b
Citharina sparsicostata
V. mag. N. vet.
BC12
132.5
Crioceratites loryi
Stiphrosphaeridium antophorum
Prolixosphaeridium parvispinum
Hystrichodinium furcatum
C.? favrei
S. carinata
D. praeoxycona
Olcostephanus (J.) jeannoti
Acanthodiscus radiatus M10
Conorotalites bartensteini
Hauerina (Wellmannella) antiqua
Lyticoceras nodosoplicatus
c
L. o. bartensteini
Lenticulina heiermanni, Lenticulina ouachensis ouachensis
Textularia bettenstaedti
b
Druggidium rhabdoreticulatum
T. ciliatum
Nannoconus abundans
Campanellula capuensis (Adriatic)
M. sardoa
Citharina acuminata
Hedbergella sigali/ delrioensis
Nannoconus borealis
Kleithriasphaeridium? sarmentum, C. tabulata, Exiguisphaera plectilis
Calcicalathina oblongata
O. debelmasi, P. jourdanensis, U. alpillensis
L. besairlei
D. zedlerae
Ha4
Subsaynella sayni
Crioceratites loryi M9
D. hauteriviana
Conorboides lamplughi
Crasp. gottschei
D. praeoxycona, Gavelinella aff. barremania
Ha5
Craspedodiscus discofalcatus
Kleithriasphaeridium corrugatum group
Rhagodiscus pseudoangustus
P. jourdanensis, U. alpillensis
Epistomina ornata
Gavelinella sigmoicosta
Pseudoceratium anaphrissum Palaeoperidinium cretaceum
BC13
T. emslandensis
M8
133.9
V. procera
130.1
Pleisiospitidiscus ligatus
E. Haut.
Gavelinella sigmoicosta, Haplophragmium aequale, Citharina harpa
Gavelinella barremiana s.l.
Ha7
BC14
Muderongia staurota
T. speetonensis, C. parva, P. solocispinum
Nannoconus pseudoseptentrionalis
Zeugrhabdotus scutula (acme)
Oxyteuthis germanica
Batioladinium longicornutum
Diazomatolithus lehmanii (boreal)
NC5
Hedbergella similis
125.0
L.? danilovae
Carpodinium granulatum, C.? cornutum
Acaenolithus sp. 1
Praereticulinella reicheli Hoeglundina chapmani, Epistomina spinulifera
Oxyteuthis depressa
C. somalica, C. lyrata, T. marsicana, C. velici
P. bedoulensis
Aprobolocysta neistosa, Exiguisphaera plectilis
O. oper.
d
Gavelinella barremiana s.s.
128.4 128.6
G2
H. cylindrica C. nigra, T. marsicana, C. lyrata
P. intermedia
Pseudoceratium pelliferum Druggidinium spp., Hystrichosphaeridium arborispinum, Druggidium jubatum
Zeugrhabdotus scutula (acme)
CC6
Gavelinella sigmoicosta
Lenticulina schreiteri
C. tabulata
Druggidium deflandrei, Heslertonia heslertonensis
BC16
Rhadodiscus achlyostaurion
Globigerinelloides blowi
Druggidium spp.
B. petersi, O. nicolinae, O. murgensis, Himeraelites sp.
O. rhodanica
M. virginiae, P. paradoxa, P. varians
Conorotalites aptiensis
Gerhardtia sartousi
Simbir. marginatus
S. biokovensis
C. biopodium, C. infundibuliforme
M. reticulosa
127.8
T. speetonensis, Valensiella magna, C.? cornutum
e Flabellites oblongus (consistent)
126.2
Pseudoceratium pelliferum
Coronotalites intercedens
Spitidiscus hugii
M7
S. hammi
Oligosphaeridium? asterigerum
P. spinocristatum, P. polymorphum
Nannoconus borealis
Lenticulina hauteriviana hauteriviana, Lenticulina guttata
Colchidites sarasini
Nicklesia pulchella
M6
Ovoidinium diversum C. douvillei
Ancyloceras vandenheckii
Lt. Haut.
Axcidiella cruciata
R. bekumensis Palaeoperidinium cretaceum
Lenticulina eichenbergi Hauerina (Wellmannella) antiqua
Simbirskites variabilis
Muderongia asymmetrica
Rhagodiscus gallagheri
NANNOCONID CRISIS
Conorotalites aptiensis
Pseudocrioceras waagenoides
Paracrioceras rarocinctum
Sirmiodinium grossii
Barremian
Ap1
Haplocrioceras fissicostatum
Rhynchodiniopsis aptiana
Hauterivian
Leupoldina cabri (rare)
124.6
N. friburgensis
Barr5
M3
H. urladana si, A. hispanica
[unnamed zone] BC18
Praereticulinella reicheli
Hemihoplites feraudianus
M5
Hauterivian
Surculosphaeridium trunculum, Gonyaulacysta cassidata
Farhania varolii
Stoverius achylosum
Globator spp.
Ctenidodinium elegantulum
Retecapsa angustiforata
Conusphaera rothii
S.? somalica, S. melitae, C. lyrata, T. margicana, C. velici
H. derooi
Valanginian
Lt. Barrem.
Barremian 130
Ap2
Prodeshay. bodei
Paracrioceras denckmanni
NC6
Rectodictyoconus giganteus, O. cuvillieri
H. cylindrica
Prolixosphaeridium parvispinum
Deshay. oglanlensis
Paracr. elegans
129.97
S. carinata
P. intermedia
Lithraphidites moray-firthensis
BC19
Rhagodiscus angustus
124.0
Prodeshayesites obsoletus
Ancyloceras inexum / S. pingue
b
Lovetchenia sp., B. petersi, O. nicolinae, O. murgensis, G. costatus
A. fouryae, C. lyrata, T. marsicana, S. melitae, S. polyreme, P. fragilis, C. nigra, S. muehlbergi
Clypeator grovesii lusitanicus, Atopochara trivolvis trivolvis
C. rectangularis
O. rhodanica, T. transversa, R. grypholdes, A.? blumenbachi, A. marticensis, R. ammonia, P. paradoxa, C. douvillei, M. virginiae, M. varians, P. varians, P. sulcata
B. helenae, P. tythopora
Lenticulina (Gaudriyadhella) ouachensis
Deshay. fittoni
M1
Muderongia staurota
Heslertonia heslertonensis
Deshayesites callidiscus
Simanocyloceras stolleyi
Lithraphidites moray-firthensis
B. gaultina
H. almerae
Ovoidinium diversum
Nannoconus steinmanii
Praeorbitolina cormyi
Neohibolites ewaldi
Callaiosphaeridium tricheryum
Eprolithus floralis, Braarudosphaera africana, Radiolithus planus
BC20
Lenticulina heiermanni
P. boesii
Cribroperidinium? tenuiceras
Praeorbitolina cormyi
G. flandrini
E. katzeri
Protoellipsodinium spinocristatum
P. cret.
E. Apt. Bedoulian
Gavelinella barremiana
Leptodinium cancellatum
Radiolithus planus
Eprolithus floralis
Leupoldina cabri (consistent)
Deshayesites deshayesi
Parancyloceras bidentatum / Paran. scalare
Endoceratium turneri
Braarudosphaera africana
Cheloniceras parinodum
M0r
a
O. (M.) parva, D. pachymarginalis, I. rubiensis
Leupoldina cabri
Dufrenoyia furcata
Prodeshayesites fissicostatus
120
Lithodinia stoverii
D. praeoxycona
Deshayesites grandis
125
H. nonioninoides
Leupoldina cabri
121.0
Chelon. meyendorffi
Deshay. kiliani
Subtilisphaera terrula
Palorbitolina lenticularis
Ap4
Desh. forbesi
H. dinarica
Nannoconus truitti (acme)
I. rubiensis, D. pachymarginalis
Globigerinelloides ferreolensis
Chelon. debile
Deshayesites deshayesi
E. plicatus
Neohibolites clava Micrantholithus hoschulzii
Early
Tropaeum bowerbanki
Aptian
CC7
Gavelinella barremiana
(C34 n)
S. jonesiana P. bedoulensis
D. plummeri, S. complanata praecursor
P. ana.
Chelon. gracile
S. tricostata
Lagenadinium? membranoidium, Achomosphaera? neptuni
C. ret.
Cheloniceras martinoides
P. cantabricus, P. santanderensis P. verneuili
Ellipsoidictyum imperfectum
(un-na med)
b Globigerinelloides algeriana
125.0
BC21
Cheloniceras buxtorfi
M"-1"r
S. hasi
O. scabrosum
Globigerinelloides algeriana
B. long.
M. Apt. Gargasian
Cretaceous
120
Aptian
Neohibolites inflexus
NC7
Tropaeum subarcticum
K. sim.
Parahoplites nutfieldiensis
Pseudodictyomitra lodogaensis
O. scabrosum
H. dinarica Muderongia australis, Nelchinopsis kostromiensis, Druggidium deflandrei, Discorsia nanna
Prolixosphaeridium sp. A of Monteil (1993), D.? deflandrei
Foucheria modesta
Acroteuthis kemperi
M.? praturloni
Duvalia lata P. hannoverana
M. aust.
T.? neocomensis
Dichadogonyaulax bensonii
September 2008
