Article
Geosciences, Multidisciplinary
M. Gabriela Mangano, Luis A. Buatois, Robert B. MacNaughton, Soren Jensen, Romain Gougeon, Alberto Marcos, Dean Meek, Laura Pinuela, Jose Carlos Garcia-Ramos
Summary: This study reevaluates the Cambrian trace fossil Psammichnites and reinterprets the previously named Taphrhelminthopsis circularis as a variant of Psammichnites gigas. The relationships between Psammichnites and other trace fossils commonly found in Cambrian shallow-marine strata are also discussed. Recommendations for renaming some trace fossils are provided. This documentation of the preservational variability of Cambrian Psammichnites is important for accurately estimating ichnodiversity levels during the Cambrian explosion and for stratigraphic correlation.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geography, Physical
Gabriel E. B. de Barros, Bruno Becker-Kerber, Daniel Sedorko, Joao Henrique Dobler Lima, Mirian L. A. F. Pacheco
Summary: The Aquidauana Formation in Brazil's Late Paleozoic Ice Age presents a unique sedimentary record with a rich ichnofossil assemblage dominated by small arthropods, reflecting low functional morphology richness and environmental stress related to glacial environments. The presence of Warvichnium and Monomorphichnus distinguishes it from other Gondwanic glacial deposits, suggesting a relationship with freshwater influence and invertebrate colonization followed by subaerial exposure.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2021)
Article
Geology
Michal Stachacz
Summary: This study analyzes a large collection of the trace fossil Rhizocorallium from the Middle Triassic in the Polish part of the Germanic Basin and presents its ichnotaxonomical classification. The research reveals unusual forms of Rhizocorallium and suggests that it represents a complex form of burrowing by scavengers or predators. The distribution of these unusual forms indicates opportunistic burrow assemblages that developed after the P-T crisis or in unfavorable conditions.
ANNALES SOCIETATIS GEOLOGORUM POLONIAE
(2023)
Article
Geology
F. Orti, A. Perez-Lopez, F. Perez-Valera, C. Benedicto
Summary: This study analyzes the isotope data of Ca-sulfate rocks in eastern Iberia from the Middle Triassic to Early Jurassic, revealing important trends and characteristics, such as the variation in sulfur isotope composition over different time periods and comparisons with isotope values from other regions.
SEDIMENTARY GEOLOGY
(2022)
Article
Geography, Physical
Xueqian Feng
Summary: This study reevaluated abundant wrinkle structures from Lower Triassic successions in two moderate-high latitudinal localities, revealing complex interactions between these structures and organisms such as bivalves and trace fossils, showing characteristics distinct from microbial mats. The results shed light on the intricate relationships between biogenic structures and metazoans, providing insights for a reexamination of the connections between microbes and animals.
GLOBAL AND PLANETARY CHANGE
(2021)
Article
Geosciences, Multidisciplinary
Armin Zeh, Matthias Franz, Karsten Obst
Summary: The study indicates that the Stuttgart Formation in the Central European Basin contains relics of Triassic volcanic detritus, with some deposition ages dating back to around 231 million years ago. These volcanic detritus were likely transported by monsoonal circulations from volcanic centers of the NW Tethys to the Central European Basin and were found in the Stuttgart Formation.
FRONTIERS IN EARTH SCIENCE
(2021)
Article
Geography, Physical
Rainer R. Schoch, Dieter Seegis, Eudald Mujal
Summary: This article describes the discovery of a large number of vertebrate remains from the Middle Triassic Lower Keuper near Kupferzell in southern Germany. The excavation provided valuable information about the sedimentary setting and the development of the fauna and their ecosystems, including the presence of top predators.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geosciences, Multidisciplinary
Dirk Knaust
Summary: This study critically reviews the validity of Protovirgularia and confirms the existence of five ichnospecies through morphometric analysis and a literature review. It also highlights the stratigraphical and palaeoenvironmental trends associated with these trace fossils.
EARTH-SCIENCE REVIEWS
(2023)
Article
Geology
Ana Santos, Nevena Popovic, Eduardo Mayoral
Summary: This paper analyzes the stratigraphy of the easternmost Mesozoic series of the Algarve Basin in the Ayamonte sector, SW Spain. The study identifies two different sets of formations, one mainly composed of siliciclastic sediments and the other dominated by carbonate. The carbonate set contains abundant bivalve and gastropod fossils, indicating a Late Triassic (Carnian-Rhaetian) age for the Ayamonte area. The presence of trace fossils suggests shallow marginal, low energy, and brackish conditions in the carbonate-dominated set.
PROCEEDINGS OF THE GEOLOGISTS ASSOCIATION
(2022)
Article
Geography, Physical
Michal Matysik, Michal Stachacz, Dirk Knaust, Martin J. Whitehouse
Summary: This study describes the characteristics of different types of omission levels in Middle Triassic platformal carbonates in Upper Silesia, southern Poland, including firmgrounds, hardgrounds, and intraformational conglomerates.
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2022)
Article
Geology
Domenico C. G. Ravida, Luca Caracciolo, Saturnina Henares, Meike Janssen, Harald Stollhofen
Summary: The study investigates the environmental response to external forcings on continental successions at the southeast margin of the Central European Basin System in Germany, integrating high-resolution core-logging and quantitative sedimentary petrography. Environmental changes are accentuated by variations in sediment composition, suggesting distinct drainage evolutions regulated by upstream climate and tectonic controls.
Article
Geography, Physical
L. Caracciolo, D. C. G. Ravida, D. Chew, M. Janssen, N. K. Luensdorf, W. A. Heins, T. Stephan, H. Stollhofen
Summary: This study reconstructs the sedimentary response to climatic and tectonic perturbations in the Germanic Basin, showing changes in sediment flux across different periods and how they are influenced by regional extensional tectonics and climbing humidity. Through a multifaceted approach, the research sheds light on the interaction of climate, tectonics, and lithology on sediment production and drainage evolution.
GLOBAL AND PLANETARY CHANGE
(2021)
Article
Geology
Andrea Baucon, Carlos Neto de Carvalho, Fabrizio Felletti, Gabriele Tosadori, Alexandre Antonelli
Summary: The study reveals that burrow morphologies show persistent patterns over evolutionary time scales, influenced by small-world dynamics and forming associations between shallow and deep-sea burrows. This pattern follows assembly rules similar to those shaping human social networks.
Article
Multidisciplinary Sciences
Xueqian Feng, Zhong-Qiang Chen, Michael J. Benton, Chunmei Su, David J. Bottjer, Alison T. Cribb, Ziheng Li, Laishi Zhao, Guangyou Zhu, Yuangeng Huang, Zhen Guo
Summary: The Permian-Triassic mass extinction caused a severe decline in biodiversity, and information on soft-bodied animals comes from trace fossils. Analysis of trace fossils revealed that infaunal ecologic structure was established in the early Smithian period. The decoupling of diversity between deposit feeders and suspension feeders in carbonate ramp-platform settings may have delayed the recovery of nonmotile, suspension-feeding epifauna in the Early Triassic.
Article
Geography, Physical
Domenico C. G. Ravida, Luca Caracciolo, William A. Heins, Harald Stollhofen
Summary: This study presents a reliable workflow for estimating paleo-sediment fluxes and demonstrates changes in sediment load over different time intervals. The estimated values align with modern drainage systems, providing new insights into the evolution of continental sequences.
GLOBAL AND PLANETARY CHANGE
(2021)
