Early Cretaceous climate for the southern Tethyan Ocean: Insights from the geochemical and paleoecological analyses of extinct cephalopods

T Wang, R Hoffmann, S He, Q Zhang, G Li… - Global and Planetary …, 2023 - Elsevier
Reconstructing temperatures of ancient oceans is important for understanding Earth's
climate in deep time. Belemnites have been used widely to estimate Mesozoic seawater …

[HTML][HTML] Molluscan isotope sclerochronology in marine palaeoclimatology: Taxa, technique and timespan issues

ALA Johnson, BR Schöne, SV Petersen… - Quaternary Science …, 2025 - Elsevier
Study of the accretionary biomineralised hardparts of organisms (sclerochronology) can
make a useful contribution to palaeoclimatology. Ontogenetic sequences of isotopic data (δ …

U–Pb dating of belemnites and rugose corals: The potential for absolute dating of calcitic invertebrate fossils

H Rochín-Bañaga, DW Davis, J Moysiuk - Chemical Geology, 2024 - Elsevier
The purpose of this work is to test the ability of laser ablation inductively coupled plasma
mass spectrometry (LA-ICPMS) to provide absolute ages of useful precision on calcitic …

Absolute age and temperature of belemnite rostra: Constraints on the Early Cretaceous cooling event

T Wang, P Yang, S He, R Hoffmann, Q Zhang… - Global and Planetary …, 2024 - Elsevier
Assessing the climatic perturbations during the Cretaceous when atmospheric CO 2 levels
were high is critical for understanding the nature of environmental responses to greenhouse …

Diagenetic patterns in Cretaceous belemnite rostra from Southern Tibet, China: Evaluating criteria to differentiate well preserved and altered fossils

Z Fang, M Alberti, J Li, Y Pan - Cretaceous Research, 2024 - Elsevier
Belemnites are valuable for reconstructing Jurassic and Cretaceous seawater temperatures,
but their reliability hinges on the preservational quality of the fossil materials. Methods for …

Absence of Belemnites in the Post-Cenomanian Marine Successions of Cauvery Basin, India: Role of Sea Level, Paleogeography, and Belemnite Paleoecology

S Mondal, S Hazra, N Chakraborty - Journal of the Geological Society of …, 2023 - Springer
Belemnites were important Mesozoic marine organisms, and Cretaceous belemnite rostra
are found worldwide, including the Cauvery Basin, south-eastern India. However, in the …

Microstructures of early Cretaceous belemnite rostra and their diagenesis

K Stevens, J Mutterlose, B Ohnemus, V Idakieva… - Cretaceous …, 2022 - Elsevier
Microstructures of belemnites are still poorly understood for many species, which may have
wide-ranging implications for their palaeobiology and geochemical application. We acquired …

Principles of calcite macrofossil sampling and analysis for geochemical studies on Mesozoic palaeoenvironments

C Ullmann - Volumina Jurassica, 2024 - vjs.pgi.gov.pl
Macrofossil carbonate is extensively used for palaeoenvironmental and chemostratigraphic
research, especially for the reconstruction of Mesozoic and Paleozoic environments …

Evaluating phosphorus incorporation into belemnite calcite as an environmental proxy

AC Roper - 2023 - etheses.whiterose.ac.uk
Phosphorus is the ultimate limiting nutrient for marine primary productivity over geological
timescales and plays a key role in modulating several geochemical cycles. Established …

Stable Isotope Analysis of a Platecarpus tympaniticus (Squamata, Mosasauridae) with Actinocamax sternbergi (Mollsuca, Belemnoidea) reveals possible endothermic …

M Lukens - 2022 - scholars.fhsu.edu
Mosasaurs, ancient marine reptiles, dominated the late Cretaceous oceans. However, their
ecological success is a contentious topic. Were they ectothermic, like their modern relatives …