R. Aguado, M. Company, and J. M. Tavera, The Berriasian-Valanginian boundary in the Mediterranean region: New data from the Caravaca and Cehegín sections, SE Spain. Cretaceous Research, vol.21, issue.1, pp.1-21, 2000.

B. Aguirre-urreta, M. Lescano, M. D. Schmitz, M. Tunik, A. Concheyro et al., Filling the gap: New precise Early Cretaceous radio isotopic ages from the Andes, vol.152, pp.557-564, 2015.

M. Armendáriz, I. Rosales, B. Bádenas, L. Piñuela, M. Aurell et al., An approach to estimate Lower Jurassic seawater oxygen isotope composition using ? 18 O and Mg/Ca ratios of belemnite calcites (Early Pliensbachian, northern Spain), vol.25, pp.439-445, 2013.

T. R. Bailey, Y. Rosenthal, J. M. Mcarthur, B. Van-de-schootbrugge, and M. F. Thirlwall, Paleoceanographic changes of the Late Pliensbachian-Early Toarcian interval: A possible link to the genesis of an oceanic anoxic event, Earth and Planetary Science Letters, vol.212, issue.3-4, pp.307-320, 2003.

D. Bajnai, J. Palfy, M. Martinez, G. D. Price, A. Nyerges et al., Multi-proxy record of orbital-scale changes in climate and sedimentation during the Weissert event in the Valanginian Bersek Marl Formation (Gerecse Mts, Hungary). Cretaceous Research, vol.75, pp.45-60, 2017.

N. Barbarin, A. Bonin, E. Mattioli, E. Pucéat, H. Cappetta et al., Evidence for a complex Valanginian nannoconid decline in the Vocontian Basin (south east France), Marine Micropaleontology, pp.37-53, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00657841

S. Bodin, N. Fiet, A. Godet, V. Matera, S. Westermann et al., Early Cretaceous (latest Berriasian to earliest Aptian) palaeoceanographic change along the northwestern Tethyan margin (Vocontian trough, SE France): ? 13 C, ? 18 O and Sr-isotope belemnite and whole-rock records, Cretaceous Research, vol.30, issue.5, pp.1247-1262, 2009.

S. Bodin, P. Meissner, N. M. Janssen, T. Steuber, and J. Mutterlose, Large igneous provinces and organic carbon burial: Controls on global temperature and continental weathering during the Early Cretaceous, Global and Planetary Change, vol.133, pp.238-253, 2015.

W. S. Broecker and T. Peng, Tracers in the sea, p.960, 1982.

L. G. Bulot, J. Thieuloy, E. Blanc, and J. Klein, Définition des biochronozones et caractérisation de nouveaux biohorizons. Géologie des Alpes, vol.68, pp.13-56, 1993.

G. Charbonnier, C. Morales, S. Duchamp-alphonse, S. Westermann, T. Adatte et al., Mercury enrichment indicates volcanic triggering of Valanginian environmental change, Scientific Reports, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01485271

M. Company, J. Sandoval, and J. M. Tavera, Ammonite biostratigraphy of the uppermost Hauterivian in the Betic Cordillera (SE Spain), Geobios, issue.6, pp.685-694, 2003.

M. Company and J. M. Tavera, Los ammonites del transito Berriasense-Valanginiense en la region de Ceheg?n (prov. de Murcia, SE de Espana), Cuadernos de Geologia Iberica, vol.8, pp.651-664, 1982.

M. Company and J. M. Tavera, Lower Valanginian ammonite biostratigraphy in the Subbetic Domain (Betic Cordillera, southeastern Spain). Carnets de Géologie, vol.15, pp.71-88, 2015.

P. Cotillon, S. Ferry, C. Gaillard, E. Jautée, G. Latreille et al., Fluctuations des paramètres du milieu marin dans le domaine Vocontien (France du Sud-Est) au Crétacé inférieur: Mise en évidence par l'étude de formations marno-calcaires alternantes, vol.22, pp.735-744, 1980.

S. C. Dodd, C. Macniocaill, and A. R. Muxworthy, Long duration (>4 Ma) and steady-state volcanic activity in the Early Cretaceous Paraná-Etendeka large igneous province: New palaeomagnetic data from Namibia, Earth and Planetary Science Letters, vol.414, pp.16-29, 2015.

S. Duchamp-alphonse, S. Gardin, N. Fiet, A. Bartolini, D. Blamart et al., Fertilization of the northwestern Tethys (Vocontian basin, SE France) during the Valanginian carbon isotope perturbation: Evidence from calcareous nannofossils and trace element data, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.243, issue.1-2, pp.132-151, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00158305

A. Dueñas-bohórquez, R. E. Da-rocha, A. Kuroyanagi, J. Bijma, and G. Reichart, Effect of salinity and seawater calcite saturation state on Mg and Sr incorporation in cultured planktonic foraminifera, Marine Micropaleontology, vol.73, issue.3-4, pp.178-189, 2009.

H. Elderfield, J. Yu, P. Anand, T. Kiefer, and B. Nyland, Calibrations for benthic foraminiferal Mg/Ca paleothermometry and the carbonate ion hypothesis, Earth and Planetary Science Letters, vol.250, issue.3-4, pp.633-649, 2006.

E. Erba, A. Bartolini, and R. L. Larson, Valanginian Weissert oceanic anoxic event, Geology, vol.32, issue.2, pp.149-152, 2004.
URL : https://hal.archives-ouvertes.fr/hal-00021484

J. E. Ferguson, G. M. Henderson, M. Kucera, and R. E. Rickaby, Systematic change of foraminiferal Mg/Ca ratios across a strong salinity gradient, Earth and Planetary Science Letters, vol.265, issue.1-2, pp.153-166, 2008.

K. B. Föllmi, A. Godet, S. Bodin, and P. Linder, Interactions between environmental change and shallow-water carbonate build-up along the northern Tethyan margin and their impact on the Early Cretaceous carbon-isotope record, Paleoceanography, vol.21, p.4211, 2006.

S. Gardin, Chapter 3. The nannofossil succession of La Charce across the Valanginian-Hauterivian boundary, 12th Meeting of the International Nannoplankton Association (Lyon, pp.11-13, 2008.

F. Giraud, L. Beaufort, and P. Cotillon, Periodicities of carbonate cycles in the Valanginian of the Vocontian trough: A strong obliquity signal, Orbital forcing time scales and cyclostratigraphy, vol.85, pp.143-164, 1995.

U. K. London,

F. M. Gradstein, J. G. Ogg, M. D. Schmitz, and G. M. Ogg, The geologic time scale 2012 (1144 pp.), 2012.

B. Gréselle and B. Pittet, Sea-level reconstructions from the Peri-Vocontian Zone (south-east France) point to Valanginian glacio-eustasy, Sedimentology, vol.57, issue.7, pp.1640-1684, 2010.

B. Gréselle, B. Pittet, E. Mattioli, M. Joachimski, N. Barbarin et al., The Valanginian isotope event: A complex suite of palaeoenvironmental perturbations, Palaeogeography Palaeoclimatology Palaeoecology, vol.306, issue.1-2, pp.41-57, 2011.

D. R. Gröcke, G. D. Price, S. A. Robinson, E. Y. Baraboshkin, J. Mutterlose et al., The Upper Valanginian (Early Cretaceous) positive carbon-isotope event recorded in terrestrial plants, Earth and Planetary Science Letters, vol.240, issue.2, pp.495-509, 2005.

Ø. Hammer, D. A. Harper, and P. D. Ryan, Past: Paleontological statistics software package for education and data analysis, Palaeontologia Electronica, vol.4, issue.1, 2001.

S. Hennig, H. Weissert, and L. Bulot, C-isotope stratigraphy, a calibration tool between ammonite-and magnetostratigraphy: The Valanginian-Hauterivian transition, Geologica Carpathica, vol.50, pp.91-96, 1999.

P. J. Hoedemaeker and H. Leereveld, Biostratigraphy and sequence stratigraphy of the Berriasian-Lowest Aptian (Lower Cretaceous) of the Rio Argos succession, Cretaceous Research, vol.16, issue.2-3, pp.195-230, 1995.

Z. Huang, F. Gradstein, and J. Ogg, A quantitative study of Lower Cretaceous cyclic sequences from the Atlantic Ocean and the Vocontian Basin (SE France), Paleoceanography, vol.8, issue.2, pp.275-291, 1993.

V. A. Janasi, V. A. De-freitas, and L. H. Heaman, The onset of flood basalt volcanism, Northern Paraná, Brazil: A precise U-Pb baddeleyite/zircon age for a Chapecó-type dacite, Earth and Planetary Science Letters, vol.302, issue.1-2, pp.147-153, 2011.

N. M. Janssen, Mediterranean Neocomian belemnites, Part I: Río Argos sequence (province of, The Berriasian-Valanginian and the Hauterivian-Barremian boundaries, vol.114, pp.1-55, 1997.

N. M. Janssen, Mediterranean Neocomian belemnites, Part 2: The Berriasian-Valanginian boundary in southeast Spain (Río Argos, Cañada Lengua and Tornajo), Scripta Geologica, vol.126, pp.121-183, 2003.

E. Kemper, Das klima der Kreide-zeit, Geologisches Jahrbuch Reihe A, vol.96, pp.5-185, 1987.

A. C. Kerr, Oceanic plateau formation: A cause of mass extinction and black shale deposition around the Cenomanian-Turonian boundary, Journal of the Geological Society, vol.155, issue.4, pp.619-626, 1998.

S. Kim and J. R. Neil, Equilibrium and nonequilibrium oxygen isotope effects in synthetic carbonates, Geochimica et Cosmochimica Acta, issue.16, pp.3461-3475, 1997.

R. Klein, K. Lohmann, and C. Thayer, , 1996.

, O ratios. Geology, vol.24, issue.5, pp.415-418, 1996.

A. Kujau, U. Heimhofer, C. Ostertag-henning, B. Gréselle, and J. Mutterlose, No evidence for anoxia during the Valanginian carbon isotope event-An organic geochemical study from the Vocontian Basin, Global and Planetary Change, pp.92-104, 2012.

L. R. Kump and M. A. Arthur, Interpreting carbon-isotope excursions: Carbonates and organic matter, Chemical Geology, vol.161, issue.1-3, pp.181-198, 1999.

D. W. Lea, T. Mashiotta, and H. Spero, Controls on magnesium and strontium uptake in planktonic foraminifera determined by live culturing, Geochimica et Cosmochimica Acta, vol.63, issue.16, pp.2369-2379, 1999.

C. H. Lear, Y. Rosenthal, and N. Slowey, Benthic foraminiferal Mg/Ca-paleothermometry: A revised core-top calibration, Geochimica et Cosmochimica Acta, vol.66, issue.19, pp.941-950, 2002.

Q. Li, J. M. Mcarthur, P. Doyle, N. Janssen, M. J. Leng et al., Evaluating Mg/Ca in belemnite calcite as a palaeo-proxy, Palaeogeography Palaeoclimatology Palaeoecology, vol.388, pp.98-108, 2013.

A. Lini, H. Weissert, and E. Erba, The Valanginian carbon isotope event: A first episode of greenhouse climate conditions during the Cretaceous, Terra Nova, vol.4, issue.3, pp.374-384, 1992.

A. Martín-algarra, P. A. Ruiz-ortiz, and J. A. Vera, Factors controlling Cretaceous turbidite deposition in the Betic Cordillera, Revista de la Sociedad Geológica de España, vol.5, pp.53-80, 1992.

M. Martinez, J. Deconinck, P. Pellenard, L. Riquier, M. Company et al., Astrochronology of the Valanginian-Hauterivian stages (Early Cretaceous): Chronological relationships between the Paraná-Etendeka large igneous province and the Weissert and the Faraoni events, vol.131, pp.158-173, 2015.

M. Martinez, P. Pellenard, J. Deconinck, F. Monna, L. Riquier et al., An orbital floating time scale of the Hauterivian/Barremian GSSP from a magnetic susceptibility signal, Cretaceous Research, vol.36, pp.106-115, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00689981

A. Martínez-garcía, D. M. Sigman, H. Ren, R. F. Anderson, M. Straub et al., Iron fertilization of the Subantarctic Ocean during the Last Ice Age, Science, vol.343, issue.6177, pp.1347-1350, 2014.

J. P. Masse, Y. Bellion, J. Benkhelil, L. E. Ricou, J. Dercourt et al., Early Aptian (114 to 111 Ma), pp.135-152, 1993.

J. M. Mcarthur, N. M. Janssen, S. Reboulet, M. J. Leng, M. F. Thirlwall et al., Palaeo-temperatures, polar ice-volume, and isotope stratigraphy (Mg/Ca, p.87, 2007.

. Sr,

. Sr, The Early Cretaceous

, Palaeogeography Palaeoclimatology Palaeoecology, vol.248, issue.3-4, pp.391-430

J. M. Mcarthur, J. Mutterlose, G. D. Price, P. F. Rawson, A. Ruffell et al., Belemnites of Valanginian, Hauterivian and Barremian age: Sr-isotope stratigraphy, p.87, 2004.

, Sr/ 86 Sr, ? 13 C, ? 18 O, Na, Sr, Mg), and palaeo-oceanography

, Palaeoclimatology Palaeoecology, vol.202, issue.3-4, pp.253-272

P. Meissner, J. Mutterlose, and S. Bodin, Latitudinal temperature trends in the Northern Hemisphere during the Early Cretaceous (Valanginian-Hauterivian), vol.424, pp.17-39, 2015.

M. Melinte and J. Mutterlose, A Valanginian (Early Cretaceous) "boreal nannoplankton excursion" in sections from Romania, Marine Micropaleontology, vol.43, issue.1-2, pp.22-28, 2001.

J. Mutterlose, Migration and evolution patterns of floras and faunas in marine Early Cretaceous sediments of NW Europe, Palaeogeography Palaeoclimatology Palaeoecology, vol.94, issue.1-4, pp.261-282, 1992.

G. D. Price, The evidence and implications of polar ice during the Mesozoic, Earth-Science Reviews, vol.48, issue.3, pp.183-210, 1999.

G. D. Price and B. H. Passey, Dynamic polar climates in a greenhouse world: Evidence from clumped isotope thermometry of Early Cretaceous belemnites, Geology, issue.8, pp.923-926, 2013.

E. Pucéat, C. Lécuyer, S. M. Sheppard, G. Dromart, S. Reboulet et al., Thermal evolution of Cretaceous Tethyan marine waters inferred from oxygen isotope composition of fish tooth enamels, Paleoceanography, vol.18, issue.2, p.1029, 2003.

S. Reboulet and F. Atrops, Rôle du climat sur les migrations et la composition des peuplements d'ammonites du Valanginien supérieur du bassin Vocontien (S-E de la France), Geobios, vol.18, pp.357-365, 1995.

S. Reboulet and F. Atrops, Quantitative variations of the Valanginian ammonite fauna of the Vocontian Basin (south-eastern France) between limestone-marls and within parasequences, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.135, issue.1-4, pp.145-155, 1997.

S. Reboulet, F. Atrops, S. Ferry, and A. Schaaf, Renouvellement des ammonites en fosse Vocontienne a la limite Valanginien-Hauterivien, Geobios, vol.25, pp.469-476, 1992.

S. Reboulet, E. Mattioli, B. Pittet, F. Baudin, D. Olivero et al., Ammonoid and nannoplankton abundance in Valanginian (Early Cretaceous) limestone-marl successions from the Southeast France Basin: Carbonate dilution or productivity?, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.201, issue.1-2, pp.113-139, 2003.

S. Reboulet, O. Szives, B. Aguirre-urreta, R. Barragán, M. Company et al., Report on the 5th International Meeting of the IUGS Lower Cretaceous Ammonite Working Group, the Kilian Group, vol.50, pp.126-137, 2013.
URL : https://hal.archives-ouvertes.fr/hal-02351049

M. K. Reichow, A. D. Saunders, R. V. White, M. S. Pringle, A. I. Al'mukhamedov et al., , pp.40-79, 2002.

, Ar data on basalts from the West Siberian Basin: Extent of the Siberian flood basalt province doubled, Science, vol.296, issue.5574, pp.1846-1849

A. Sprenger and W. G. &-ten-kate, Orbital forcing of calcilutite-marl cycles in southeast Spain and an estimate for the duration of the Berriasian Stage, Geological Society of America Bulletin, vol.105, issue.6, pp.807-818, 1993.

S. Stanley and L. Hardie, Secular oscillations in the carbonate mineralogy of reef-building and sediment-producing organisms driven by tectonically forced shifts in seawater chemistry, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.144, issue.1-2, pp.109-115, 1998.

D. Surge and K. Lohmann, Evaluating Mg/Ca ratios as a temperature proxy in the estuarine oyster, Crassostrea virginica, Journal of Geophysical Research, vol.113, 2008.

M. L. Tejada, K. Suzuki, J. Kuroda, R. Coccioni, J. J. Mahoney et al., Ontong Java Plateau eruption as a trigger for the early Aptian oceanic anoxic event, Geology, vol.37, issue.9, pp.855-858, 2009.

D. S. Thiede and P. M. Vasconcelos, Paraná flood basalts: Rapid extrusion hypothesis, p.40, 2010.

, Ar/ 39 Ar results, Geology, vol.38, issue.8, pp.747-750

B. Van-de-schootbrugge, K. B. Föllmi, L. G. Bulot, and S. J. Burns, Paleoceanographic changes during the Early Cretaceous (Valanginian-Hauterivian): Evidence from oxygen and carbon stable isotopes, Earth and Planetary Science Letters, vol.290, issue.181, pp.15-31, 2000.

E. Vander-putten, F. Dehairs, E. Keppens, and W. Baeyens, High resolution distribution of trace elements in the calcite shell layer of modern Mytilus edulis: Environmental and biological controls, Geochimica et Cosmochimica Acta, vol.64, issue.6, pp.380-384, 2000.

H. Weissert, A. Lini, K. B. Föllmi, and O. Kuhn, Correlation of Early Cretaceous carbon isotope stratigraphy and platform drowning events: A possible link?, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.137, issue.3-4, pp.109-109, 1998.

H. Wierzbowski, M. A. Rogov, B. A. Matyja, D. Kiselev, and A. Ippolitov, Middle-Upper Jurassic (Upper Callovian-Lower Kimmeridgian) stable isotope and elemental records of the Russian Platform: Indices of oceanographic and climatic changes, Global and Planetary Change, vol.107, pp.196-212, 2013.

P. B. Wignall, Large igneous provinces and mass extinctions, Earth-Science Reviews, vol.53, issue.1-2, pp.37-41, 2001.