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
Geosciences, Multidisciplinary
Andrew D. La Croix, Korhan Ayranci, Shahin E. Dashtgard
Summary: This paper summarizes the current state of knowledge regarding animal-sediment interactions in siliciclastic shallow-marine environments. It provides insights into the behaviors of organisms in different environmental conditions and their geological features. This knowledge is important for reconstructing paleo-ecosystems and explaining sedimentary strata.
EARTH-SCIENCE REVIEWS
(2022)
Article
Multidisciplinary Sciences
Xudong Zhao, Huiping Zhang, Ralf Hetzel, Eric Kirby, Alison R. Duvall, Kelin X. Whipple, Jianguo Xiong, Yifei Li, Jianzhang Pang, Ying Wang, Ping Wang, Kang Liu, Pengfei Ma, Bo Zhang, Xuemei Li, Jiawei Zhang, Peizhen Zhang
Summary: This study provides evidence for the existence of a continental-scale river system in eastern Tibet before the India-Asia collision, which developed an extensive low-relief landscape that was uplifted and dissected during the late Cenozoic. The results challenge existing models of drainage networks and reveal the importance of Late Cretaceous paleotopography.
NATURE COMMUNICATIONS
(2021)
Article
Environmental Sciences
Stanislaw Leszczynski, Michal J. Warchol, Wojciech Nemec
Summary: This study examines the Aptian lower part of the Carolinefjellet Formation in the Norwegian high Arctic using well cores and outcrop sections. It focuses on the deposits and bioturbation structures of an ancient subpolar marine shelf during a period of global greenhouse climate. The study reveals that sedimentation conditions and benthic fauna activity were influenced by harsh Arctic wave climate and base-level changes, including occasional incursions of cold polar water. The research also highlights the impact of seafloor hydraulic regime, oxygenation, wave climate, and relative sea-level changes on the ichnofauna ecology.
ENVIRONMENTAL EARTH SCIENCES
(2023)
Article
Zoology
Jorge Villegas-Martin, Daiane Ceolin, Adiel A. Klompmaker, Gerson Fauth, Eduardo A. M. Koutsoukos
Summary: The dynamics of predator-prey interactions involving ostracod prey have been studied across the Cretaceous-Palaeogene extinction event. The study analyzed ostracod specimens from a section in eastern Brazil and found that predation intensity was lower during the Maastrichtian period compared to the Danian period. However, there was no drilling intensity observed in assemblages immediately above the K-Pg boundary, possibly due to abrupt environmental changes caused by the extinction event. The study also revealed variations in predation intensities between species and identified significant prey preference and avoidance behaviors during the Danian period.
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
(2023)
Review
Entomology
Robert A. Coram, Edmund A. Jarzembowski
Summary: The Lower Cretaceous Purbeck and Wealden rocks in southern England provide an important record of insects that lived alongside dinosaurs, with most fossil remains belonging to adult insects alive today. The fossilized immature insects help shed light on local palaeoenvironments and the processes leading to insect fossilization, with aquatic immatures being more diverse than terrestrial ones. These fossils offer insights into the salinity of water bodies and habitat stability in different settings.
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
Geosciences, Multidisciplinary
Aienla Ozukum, S. K. Srivastava, Bhawanisingh Desai
Summary: This study investigates the palaeoenvironmental conditions of the Palaeogene sedimentary rocks in Botsa, Kohima District of Nagaland. Through lithofacies and trace fossils analysis, it identifies an upper shoreface to offshore transition shallow marine palaeoenvironment.
GEOLOGICAL JOURNAL
(2022)
Article
Geosciences, Multidisciplinary
Michal Stachacz, Marcelina Kondas, Pawel Filipiak, Xueping Ma
Summary: The geological and palynological study of two sections in the Central Asian Orogenic Belt in northwestern China revealed unfavorable conditions for benthic communities during the Late Devonian and Early Carboniferous, primarily due to rapid sedimentation of volcanic material. The presence of specific miospores allowed for tentative identification of palynostratigraphical levels, indicating deposition in varying proximal and distal environments.
ACTA GEOLOGICA SINICA-ENGLISH EDITION
(2021)
Article
Multidisciplinary Sciences
Stefan Bengtson, Birger Rasmussen, Jian-Wei Zi, Ian R. Fletcher, James G. Gehling, Bruce Runnegar
Summary: Researchers have found that the animal burrows in the Paleoproterozoic metasedimentary rocks of the Mount Barren Group in southwestern Australia may predate the last metamorphic event in the region and were formed during an Eocene transgression. After this event, there was resilicification of the quartzites, filling the pore space with syntaxial quartz cement forming silcretes, making the rocks hard again and impenetrable to animal burrowing.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Geology
Carlos A. Giraldo-Villegas, Francisco J. Rodriguez-Tovar, Sergio A. Celis, Andres Pardo-Trujillo, Monica L. Duque-Castano
Summary: The Late Cretaceous in northwest South America was characterized by synchronous regional geological processes, and this study focuses on the interaction between the Caribbean Large Igneous Province and the NW margin of South America. The sedimentation in the region is mainly influenced by marine processes and turbiditic deposits.
CRETACEOUS RESEARCH
(2023)
Article
Multidisciplinary Sciences
Olmo Miguez-Salas, Francisco J. Rodriguez-Tovar, Allan A. Ekdale, Stefanie Kaiser, Angelika Brandt, Andrew J. Gooday
Summary: This study reports the presence of Paleodictyon at Subarctic latitudes and depths over 4500 m for the first time. The new Paleodictyon specimens represent distinct ichnospecies that are associated with relatively eutrophic conditions in this region.
SCIENTIFIC REPORTS
(2023)
Article
Geology
Kathrin Feldberg, Alfons Schaefer-Verwimp, Matt A. M. Renner, Matt von Konrat, Julia Bechteler, Patrick Mueller, Yong-Dong Wang, Harald Schneider, Alexander R. Schmidt
Summary: DNA-based analyses and the fossil record suggest liverworts originated in the early Paleozoic, with life-like three-dimensional fossils only appearing in amber from the mid-Cretaceous onwards. Recent studies have provided insight into the phylogenetic diversification and morphological evolution of liverworts during a transitional period in the mid to Late Cretaceous. New fossil discoveries have expanded the known number of Cretaceous amber-preserved liverwort species.
CRETACEOUS RESEARCH
(2021)
Article
Biology
Jamie A. MacLaren, Rebecca F. Bennion, Nathalie Bardet, Valentin Fischer
Summary: The study shows that mosasaurid squamates had significant morphofunctional disparity in Late Cretaceous marine ecosystems, particularly in North America. However, this morphofunctional disparity declined in multiple regional communities before the K/Pg mass extinction.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2022)
Article
Geosciences, Multidisciplinary
Romain Gougeon, M. Gabriela Mangano, Luis A. Buatois, Guy M. Narbonne, Brittany A. Laing, Maximiliano Paz
Summary: This study presents new ichnologic and sedimentologic data sets from four localities and evaluates the outcrop quality. It suggests that the base of the Cambrian can be determined by the first appearance of Treptichnus pedum or vertical trace fossils. Fortune Head, Grand Bank Head, and Lewin's Cove exhibit increases in ichnodiversity and bioturbation intensities, while Point May stands out with low ichnodiversity and inconsistent data on bioturbation intensities.
CANADIAN JOURNAL OF EARTH SCIENCES
(2023)
Article
Paleontology
Pedro Adsera, Zain Belaustegui, Alfred Uchman
Review
Paleontology
Francisco J. Rodriguez-Tovar, Olmo Miguez-Salas, Francisco J. Hernandez-Molina, Heiko Hueneke
ICHNOS-AN INTERNATIONAL JOURNAL FOR PLANT AND ANIMAL TRACES
(2020)
Article
Geography, Physical
Eduardo Mayoral, Ana Santos, J. A. Gamez Vintaned, Max Wisshak, Christian Neumann, Alfred Uchman, Andre Nel
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2020)
Article
Geography, Physical
Alfred Uchman, Andrej Martyshyn
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
(2020)
Article
Geosciences, Multidisciplinary
Dorota Salata, Alfred Uchman
GEOLOGICAL JOURNAL
(2020)
Article
Geosciences, Multidisciplinary
Wiestawa Radmacher, Alfred Uchman
MARINE AND PETROLEUM GEOLOGY
(2020)
Article
Multidisciplinary Sciences
M. Gabriela Mangano, Javier Ortega-Hernandez, Laura Pinuela, Luis A. Buatois, Francisco J. Rodriguez-Tovar, Jose Carlos Garcia-Ramos
SCIENTIFIC REPORTS
(2020)
Article
Paleontology
Francisco J. Rodriguez-Tovar, Eulogio Pardo-Iguzquiza, Matias Reolid
Summary: This study conducted cyclostratigraphical analysis of foraminiferal assemblages from the Early Toarcian at the Mochras Farm Borehole, revealing well-developed cyclical patterns related to changes in organic matter input, with oxygenation as a secondary factor. The cycles found were categorized into high, middle, middle/low, and low-frequency bands, with a difficult determination of correspondence with specific Milankovitch cycles at present.
Article
Geology
Heiko Hueneke, F. Javier Hernandez-Molina, Francisco J. Rodriguez-Tovar, Estefania Llave, Domenico Chiarella, Anxo Mena, Dorrik A. V. Stow
Summary: The detailed study of calcareous contourites in a sedimentary succession on Cyprus provides valuable insights for distinguishing between different facies, including bi-gradational contourite sequences and normally-graded sequences in turbidite beds. Sediment provenance, depositional texture, and preservation of traction structures are key factors in differentiating these facies.
Article
Multidisciplinary Sciences
Javier Dorador, Francisco J. Rodriguez-Tovar
Article
Geology
M. Poyatos-More, F. Garcia-Garcia, F. J. Rodriguez-Tovar, J. Soria, C. Viseras, F. Perez-Valera, I Midtkandal
Summary: This study presents an outcrop example from the Upper Miocene of the Betic Cordillera (Spain) to propose a model for the development of transgressive sharp-based mixed carbonate-silicidastic deposits and provide criteria to differentiate them from their regressive counterparts.
SEDIMENTARY GEOLOGY
(2022)
Article
Geology
Wouter de Weger, F. Javier Hernandez-Molina, Francisco Javier Sierro, Domenico Chiarella, Estefania Llave, Juan J. Fedele, Francisco Javier Rodrigues-Tovar, Olmo Miguez-Salas, Mohamed Amine Manar
Summary: This study reports the sedimentary evolution and facies distribution of a contourite channel system related to the late Miocene palaeo-Mediterranean Outflow Water in the Rifian Corridor, Morocco. The channel evolution and facies distribution are found to be related to spatiotemporal changes in flow characteristics of the palaeo-Mediterranean Outflow Water.
Article
Geology
Gijs van Dijk, Jasper Maars, Federico Andreetto, F. Javier Hernandez-Molina, Francisco. J. J. Rodriguez-Tovar, Wout Krijgsman
Summary: A unique sedimentary deposit called the Arenazzolo Formation in the Sicilian Caltanissetta Basin, Italy, has been studied to understand its origin and its link to the Messinian Salinity Crisis. This sandy deposit was formed by persistent bottom currents during a transgression, possibly associated with the reconnection of major isolated water bodies.
Article
Geosciences, Multidisciplinary
Celia Martin-Puertas, Armand Hernandez, Eulogio Pardo-Iguzquiza, Laura Boyall, Chris Brierley, Zhiyi Jiang, Rik Tjallingii, Simon P. E. Blockley, Francisco Javier Rodriguez-Tovar
Summary: According to a lake-sediment record and model simulations, meltwater discharge in the mid-Holocene North Atlantic disrupted decadal climate variability, suggesting that future melting on Greenland may hinder climate predictability in the region.
Article
Geosciences, Multidisciplinary
Evgenia V. Dorokhova, Francisco J. Rodriguez-Tovar, Dmitry V. Dorokhov, Liubov A. Kuleshova, Anxo Mena, Tatiana Glazkova, Viktor A. Krechik
Summary: The multidisciplinary study revealed a high diversity of abiotic landscapes in Discovery Gap, with sediment patchiness and substrate variability being the most significant factors. Spatial and temporal differences in macrobenthic behavior were observed in sediment cores, with varying presence of Zoophycos and higher benthic foraminifera diversity in the southern part of the gap during the Holocene. These differences are suggested to be related to topographical variations of the Antarctic Bottom Water and its influence on hydrodynamic regime and nutrient transport.