Aymon Baud
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View article: Conodont diversity, biostratigraphy, and environmental dynamics: Unravelling the Smithian-Spathian transition at Guryul Ravine, Kashmir
Conodont diversity, biostratigraphy, and environmental dynamics: Unravelling the Smithian-Spathian transition at Guryul Ravine, Kashmir Open
The late Smithian and Smithian-Spathian boundary (SSB) witnessed significant conodont extinction approximately 2.7 million years after the major Permian-Triassic boundary extinction. This study offers a detailed examination of the Smithian…
View article: Climate cooling in the Early Triassic subtropics: Datasets
Climate cooling in the Early Triassic subtropics: Datasets Open
The files contain the Research Data for the article entitled 'Climate cooling in the Early Triassic subtropics'. A table of contents is provided. In summary, the files are: the raw geochemical data (stable oxygen isotope analysis) used in …
View article: Evidence for variable provenance of Mercury anomalies during the Smithian–Spathian (Olenekian)
Evidence for variable provenance of Mercury anomalies during the Smithian–Spathian (Olenekian) Open
Mercury (Hg) enrichment recorded in Smithian to Spathian (Olenekian) marine sedimentary successions has been used to link putative renewed Siberian Traps Large Igneous Province (STLIP) magmatism to climatic and environmental perturbations …
View article: Climate cooling in the Early Triassic subtropics: Datasets
Climate cooling in the Early Triassic subtropics: Datasets Open
The files contain the Research Data for the article entitled 'Climate cooling in the Early Triassic subtropics'. A table of contents is provided. In summary, the files are: the raw geochemical data (stable oxygen isotope analysis and clump…
View article: An expanded Smithian–Spathian (Lower Triassic) boundary from a reefal build‐up record in Oman: implications for conodont taxonomy, high‐resolution biochronology and the carbon isotope record
An expanded Smithian–Spathian (Lower Triassic) boundary from a reefal build‐up record in Oman: implications for conodont taxonomy, high‐resolution biochronology and the carbon isotope record Open
Some 2.7 myr after the Permian–Triassic boundary mass extinction, a stepwise extinction of the nekton (ammonoids and conodonts) ended at the Smithian–Spathian boundary (SSB) during an episode of climate cooling. SSB records from continenta…
View article: Climate cooling in the Early Triassic subtropics: Datasets
Climate cooling in the Early Triassic subtropics: Datasets Open
The files contain the Research Data for the article entitled 'Climate cooling in the Early Triassic subtropics'. A table of contents is provided. In summary, the files are: the raw geochemical data (stable oxygen isotope analysis and clump…
View article: Mercury isotope evidence for sustained regional volcanism in south China before and after the Permian-Triassic boundary
Mercury isotope evidence for sustained regional volcanism in south China before and after the Permian-Triassic boundary Open
<p>The Permian-Triassic boundary mass extinction (PTBME) is recognized as the most severe extinction of the Phanerozoic and has been causally linked to the Siberian Traps Large Igneous Province (STLIP) volcanism (e.g., Burgess and Bo…
View article: Siberian Trap volcanism, global warming and the Permian-Triassic mass extinction: New insights from Armenian Permian-Triassic sections: Comment
Siberian Trap volcanism, global warming and the Permian-Triassic mass extinction: New insights from Armenian Permian-Triassic sections: Comment Open
Joachimski et al. carried out geochemical investigations to study seawater temperature changes and their potential triggers across the Permian-Triassic Boundary (PTB). Unfortunately, in our opinion, an incorrect biochronology was applied t…
View article: Sponge Takeover from End-Permian Mass Extinction to Early Induan Time: Records in Central Iran Microbial Buildups
Sponge Takeover from End-Permian Mass Extinction to Early Induan Time: Records in Central Iran Microbial Buildups Open
The end-Permian mass extinction was the most severe biotic crisis in Earth’s history. In its direct aftermath, microbial communities were abundant on shallow-marine shelves around the Tethys. They colonized the space left vacant after the …
View article: Suppressed competitive exclusion enabled the proliferation of Permian/Triassic boundary microbialites
Suppressed competitive exclusion enabled the proliferation of Permian/Triassic boundary microbialites Open
During the earliest Triassic microbial mats flourished in the photic zones of marginal seas, generating widespread microbialites. It has been suggested that anoxic conditions in shallow marine environments, linked to the end‐Permian mass e…
View article: The evolutionary trend of platform denticulation in Middle Triassic acuminate Gondolellidae (Conodonta)
The evolutionary trend of platform denticulation in Middle Triassic acuminate Gondolellidae (Conodonta) Open
Plasencia, Pablo, Kiliç, Ali Murat, Baud, Aymon, Sudar, Milan, Hirsch, Francis (2018): The evolutionary trend of platform denticulation in Middle Triassic acuminate Gondolellidae (Conodonta). Turkish Journal of Zoology 42 (2): 187-197, DOI…
View article: DICTYOCONUS ARABICUS HENSON (FORAMINIFERIDA) FROM THE LATE BARREMIAN OF THE LHASA BLOCK (CENTRAL TIBET)
DICTYOCONUS ARABICUS HENSON (FORAMINIFERIDA) FROM THE LATE BARREMIAN OF THE LHASA BLOCK (CENTRAL TIBET) Open
The orbitolinid foraminifer Dictyoconus arabicus Henson is described for the first time from the Tibetan plateau (Coqen-Gerze road, Lhasa block, Central Tibet). A discussion of the principal published data reveals that this species occurs …
View article: BASAL INDUAN (EARLY TRIASSIC) GIANT SPONGE-MICROBIAL BUILD-UPS IN ARMENIA: MICROFACIES ANALYSES AND CARBON ISOTOPE STUDIES
BASAL INDUAN (EARLY TRIASSIC) GIANT SPONGE-MICROBIAL BUILD-UPS IN ARMENIA: MICROFACIES ANALYSES AND CARBON ISOTOPE STUDIES Open
The Transcaucasia area (central Armenia) offers the opportunity to study a distinctive sponge-microbial community development in the aftermath of the end-Permian mass extinction (Permian-Triassic Boundary sponge-microbialites PTBSM): isola…
View article: EVIDENCE OF A GUADALUPIAN AGE FOR THE KHUFF FORMATION OF SOUTHEASTERN OMAN: PRELIMINARY REPORT
EVIDENCE OF A GUADALUPIAN AGE FOR THE KHUFF FORMATION OF SOUTHEASTERN OMAN: PRELIMINARY REPORT Open
The Guadalupian succession of the Huqf area (Sultanate of Oman) represents a mega-sequence comprising the fluvial terrigenous Gharif Formation and the overlying marine Khuff Formation. The Khuff Fm. is subdivided into four members and is c…
View article: Competition in slow motion: the unusual case of benthic marine communities in the wake of the end‐<scp>P</scp>ermian mass extinction
Competition in slow motion: the unusual case of benthic marine communities in the wake of the end‐<span>P</span>ermian mass extinction Open
Changes of community structure in response to competition usually take place on timescales that are much too short to be visible in the geological record. Here we report the notable exception of a benthic marine community in the wake of th…
View article: Conodonts from the<scp>E</scp>arly<scp>T</scp>riassic microbialite of<scp>G</scp>uangxi (<scp>S</scp>outh<scp>C</scp>hina): implications for the definition of the base of the<scp>T</scp>riassic<scp>S</scp>ystem
Conodonts from the<span>E</span>arly<span>T</span>riassic microbialite of<span>G</span>uangxi (<span>S</span>outh<span>C</span>hina): implications for the definition of the base of the<span>T</span>riassic<span>S</span>ystem Open
We describe a new E arly T riassic ( G riesbachian) succession of conodont faunas from a high‐resolution sampling of the basal E arly T riassic microbial limestone and the base of the overlying unit at the W uzhuan section ( N anpanjiang B…
View article: LOWER TRIASSIC MICROBIALITES VERSUS SKELETAL CARBONATES, A COMPETITION ON THE GONDWANA MARGIN
LOWER TRIASSIC MICROBIALITES VERSUS SKELETAL CARBONATES, A COMPETITION ON THE GONDWANA MARGIN Open
As shown by Baud et al. (2005, 2007), a major crisis occurred in Phanerozoic carbonate systems during the end-Permian mass extinction that involved a wholescale change in oceanic geochemistry. The prolific upper Paleozoic skeletal carbonat…