Results 71 to 80 of about 1,613 (196)

ACRITARCHS AND CONODONTS FROM THE CAMBRO - ORDOVICIAN FURUHÄLL (KÖPINGSKLINT) SECTION (ÖLAND, SWEDEN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2020
Cambrian to Lower Ordovician acritarchs and Lower Ordovician conodont species have been recorded from the Furuhäll Section at Köpingsklint on Öland, Sweden. The acritarchs are represented by three different microfloras.
GABRIELLA BAGNOLI   +2 more
doaj  

Improving Mercury Systematics With Molybdenum and Vanadium Enrichments: New Insights From the Cambrian‐Ordovician Boundary

open access: yesGeophysical Research Letters, Volume 51, Issue 8, 28 April 2024.
Abstract The Cambro‐Ordovician interval marks a significant transition from extinction to bio‐diversification in deep time. However, the relationship of bio‐transition to volcanism, commonly characterized by mercury (Hg) systematics in sedimentary records, has not been examined.
Leibo Bian   +6 more
wiley   +1 more source

Late Tremadocian (Early Ordovician) reefs on the Yangtze Platform, South China, and their geobiological implications: a synthesis

open access: yesJournal of Palaeogeography, 2021
This study provides an overview and discussion of controls on the distribution of organic reefs during the Early Ordovican Period, in the Yangtze Platform, a region of epicontinental sedimentary rocks in South China.
Jian-Po Wang   +5 more
doaj   +1 more source

New records of Tremadocian conodonts (Early Ordovician) from the Zenta Range, Jujuy Province, Argentina [PDF]

open access: yes, 2013
THE study area is located nearby the Santa Ana village, province of Jujuy, in the Zenta Range of the Cordillera Oriental, northwestern Argentina. Localities can be reached by the national Route 9 to the town of Humahuaca, then continue to the East ...
Albanesi, Guillermo Luis   +3 more
core   +1 more source

Discussion and reply : the Cambrian System in Northwestern Argentina : stratigraphical and palaeontological framework Discussion [PDF]

open access: yes, 2005
As part of the Special Issue on "Advances in the knowledge of the Cambrian System" edited by himself, Aceñolaza (2003) attempted to summarize present knowledge on the Cambrian of northwest Argentina.
Buatois, L. A., Mángano, M. G.
core   +2 more sources

Anisograptus Mojotorensis sp. nov. en el Tremadociano temprano del norte argentino [PDF]

open access: yes, 2011
Se da a conocer Anisograptus mojotorensis sp. nov., una nueva especie de anisográptido trirradiado, que en posición horizontal tiene simetría pseudo-cuadrirradiada.
Monteros, Julio A., Moya, Maria Cristina
core  

Upper Cambrian/Lower Ordovician conodont and graptolite records in the Lari section, Salar del Rincón, Puna of Salta, Argentina [PDF]

open access: yes, 2013
Fil: Giuliano, María Eugenia. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Museo de Paleontología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Centro
Albanesi, Guillermo Luis   +3 more
core   +1 more source

Late Middle Cambrian fossils from Beaconsfield, Tasmania [PDF]

open access: yes, 1980
The only known Cambrian fauna of the Beaconsfield Trough has a late Middle Cambrian (PtychQgnostus nathorsti or Lejopyge laevigata Zone) age; it occurs 4.5 km south-west of Beaconsfield, northern Tasmania.
Jago, JB
core   +3 more sources

A xandarellid artiopodan from Morocco - a middle Cambrian link between soft-bodied euarthropod communities in North Africa and South China. [PDF]

open access: yesSci Rep, 2017
NB. A corrigendum [correction] for this article was published online on 09 May 2017; this has been attached to this article as an additional file. This work is licensed under a Creative Commons Attribution 4.0 International License.
Ortega-Hernández J   +6 more
europepmc   +3 more sources

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