A Mesozoic time scale

FM Gradstein, FP Agterberg, JG Ogg… - Journal of …, 1994‏ - Wiley Online Library
We present an integrated geomagnetic polarity and stratigraphic time scale for the Triassic,
Jurassic, and Cretaceous periods of the Mesozoic Era, with age estimates and uncertainty …

Report on the 5th International Meeting of the IUGS Lower Cretaceous ammonite working group, the Kilian group (Ankara, Turkey, 31st August 2013)

S Reboulet, O Szives, B Aguirre-Urreta, R Barragán… - Cretaceous …, 2014‏ - Elsevier
The 5th meeting of the IUGS Lower Cretaceous Ammonite Working Group (the Kilian Group)
held in Ankara, Turkey, 31st August 2013, discussed the Mediterranean ammonite zonation …

A Triassic, Jurassic and Cretaceous time scale

FM Gradstein, FP Agterberg, JG Ogg, J Hardenbol… - 1995‏ - pubs.geoscienceworld.org
We present an integrated geomagnetic polarity and stratigraphic time scale for the Triassic,
Jurassic, and Cretaceous Periods of the Mesozoic Era, with age estimates and uncertainty …

The Jurassic/Cretaceous system boundary is an impasse. Why do not go back to Oppel's 1865 original an historic definition of the Tithonian?

R Énay - Cretaceous Research, 2020‏ - Elsevier
The lack of an absolute and persistent opinion regarding definition of the base of the
Berriasian Stage, ie, its instability over the past 50 years, casts grave doubts on its suitability …

Report on the 6th International Meeting of the IUGS Lower Cretaceous Ammonite Working Group, the Kilian Group (Vienna, Austria, 20th August 2017)

S Reboulet, O Szives, B Aguirre-Urreta, R Barragan… - Cretaceous …, 2018‏ - Elsevier
Abstract The 6th Kilian Group meeting of the IUGS Lower Cretaceous Ammonite Working
Group (the Kilian Group) was held in Vienna, Austria, 20th August 2017. The Group mainly …

Barremian-Aptian calcareous plankton biostratigraphy from the Gorgo Cerbara section (Marche, central Italy) and implications for plankton evolution

R Coccioni, E Erba, I Premoli-Silva - Cretaceous Research, 1992‏ - Elsevier
Abstract The Barremian-Aptian boundary interval of the Gorgo Cerbara section (Marche,
central Italy) was revisited in order to improve stratigraphic correlations and investigate …

Report on the 3rd international meeting of the IUGS lower Cretaceous ammonite working group, the “Kilian Group”(Vienna, Austria, 15th April 2008)

S Reboulet, J Klein, R Barragán, M Company… - Cretaceous …, 2009‏ - Elsevier
The discussion is mainly focused on the Hauterivian and Barremian zonal schemes. For the
Hauterivian Stage, the main changes concern the Subsaynella sayni and Balearites balearis …

Integrated stratigraphy of the Lower Aptian and applications to carbonate platforms: a state of the art

JP Masse - North African Cretaceous carbonate platform systems, 2003‏ - Springer
Boundaries and internal divisions (biozones) of the Lower Aptian substage are founded on
the stratigraphic distribution of ammonites. Calcareous nannofossils and planktonic …

Report on the 1st international workshop of the IUGS lower Cretaceous Ammonite Working Group, the 'Kilian Group'(Lyon, 11 July 2002)

PJ Hoedemaeker, S Reboulet, MB Aguirre-Urreta… - Cretaceous …, 2003‏ - Elsevier
The Lower Cretaceous Ammonite Working Group forms part of the IUGS Subcommission on
Cretaceous Stratigraphy (Peter Rawson, chair) and is the successor of the Lower …

Interhemispheric radio-astrochronological calibration of the time scales from the Andean and the Tethyan areas in the Valanginian–Hauterivian (Early Cretaceous)

B Aguirre-Urreta, M Martinez, M Schmitz, M Lescano… - Gondwana …, 2019‏ - Elsevier
An integrated radio-astrochronological framework of the Agrio Formation in the Andean
Neuquén Basin of west-central Argentina provides new constraints on the age and the …