Results 61 to 70 of about 1,484 (198)

Laurasian Seaway History During the Early Jurassic From Quantitative Mineralogy and Detrital Zircon Dating

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 6, June 2026.
Abstract The Laurasian Seaway comprises a N‐S oriented trans‐Pangaean corridor linking Tethys to the Boreal Sea during the Jurassic, and direction of water flow has been the subject of considerable debate. The Llanbedr (Mochras Farm) borehole, Cardigan Bay Basin, Wales, is a uniquely informative record that comprises an expanded deep‐marine silty ...
M. Jiang   +7 more
wiley   +1 more source

LEONARDO DA VINCI, THE FOUNDING FATHER OF ICHNOLOGY

open access: yes, 2010
Science historians separated the scientific origins of ichnology and body fossil paleontology; the birth of body fossil paleontology is attributed to the Renaissance, whereas the beginnings of ichnology are placed in the 19th century.
A. BAUCON, Baucon A.
core   +1 more source

Cambrian Trace Fossil Zoophycos from the Czech Republic

open access: yesGeologica Carpathica, 2015
Lobate and helical ichnofossils attributable to Zoophycos found in Middle Cambrian shales of the Palác Hill in the Železné Hory Mountains (eastern Bohemia) represent the oldest occurrence of this ichnogenus.
Doucek Jan, Mikuláš Radek
doaj   +1 more source

Hindlimb functional morphology and locomotor biomechanics of the small Late Triassic pseudosuchian reptile Gracilisuchus stipanicicorum (Archosauria: Gracilisuchidae)

open access: yesJournal of Anatomy, Volume 248, Issue 6, Page 1026-1063, June 2026.
A three‐dimensional biomechanical model of the musculoskeletal system is used to analyse the potential locomotor functions of the small (~1 kg) Late Triassic archosaurian reptile Gracilisuchus stipanicicorum. The study finds that, potentially like the ancestral archosaur, this taxon was probably quadrupedal, plantigrade and neither strongly sprawling ...
Agustina Lecuona   +3 more
wiley   +1 more source

Microbial mats and thalassinid shrimp: Spatial and geochemical interactions in a modern intertidal environment

open access: yesSedimentology, Volume 73, Issue 4, Page 1001-1029, June 2026.
ABSTRACT This research examines the spatial and geochemical interactions between mat‐forming microorganisms and thalassinid shrimp in an intertidal flat situated on the shores of Willapa Bay, Washington, USA. The study serves as a contemporary analog for the relationships between mats and burrowing organisms in deep time.
Brette S. Harris   +9 more
wiley   +1 more source

Quantitative Techniques in Ichnology and Sedimentology with Examples from the Cretaceous McMurray Formation, NE Alberta, Canada [PDF]

open access: yes, 2018
Process ichnology is a relatively new ichnological tool whereby trace fossils are interpreted as the product of changing infaunal stresses including: salinity fluctuation, reduced oxygenation, high sedimentation rates, reduced nutrient availability, and ...
Timmer, Eric R.D.
core   +1 more source

Microbially induced sedimentary structures in fluvial settings: the gas domes from the Bolzano Megacaldera (Permian, Italy)

open access: yesSedimentology, Volume 73, Issue 4, Page 914-944, June 2026.
ABSTRACT Gas domes serve as some of the earliest and most persisting indicators of life on Earth, yet their documentation in continental environments remains sparse. This study aims to bridge this gap by examining gas domes within the Permian fluvial succession of Monte Luco, located in the caldera of the Bolzano Supervolcano. These structures occur as
Andrea Baucon   +5 more
wiley   +1 more source

Perennial Lakes as an Environmental Control on Theropod Movement in the Jurassic of the Hartford Basin

open access: yesGeosciences, 2017
Eubrontes giganteus is a common ichnospecies of large dinosaur track in the Early Jurassic rocks of the Hartford and Deerfield basins in Connecticut and Massachusetts, USA.
Patrick R. Getty   +5 more
doaj   +1 more source

Unusual occurrence of Cochlichnus in aeolian sandstones: evidence for a stiletto fly larval origin

open access: yesPapers in Palaeontology, Volume 12, Issue 3, May/June 2026.
Abstract Cochlichnus anguineus is an ichnotaxon recognized for its distinctive regular wavy morphology. It is a characteristic trace fossil typically associated with aquatic and marginal aquatic environments. However, in this study we examine its unusual occurrence in the aeolian sandstones of the Botucatu Formation (Lower Cretaceous, Paraná Basin ...
Bernardo de C. P. e M. Peixoto   +8 more
wiley   +1 more source

Ichnology of the Mississippian Mauch Chunk Formation, eastern Pennsylvania

open access: yes, 2012
Ichnology; Mississippian; Mauch Chunk Formation ...
David L. Fillmore, Spencer G. Lucas and Edward L. Simpson
core  

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