The chitinozoans from the Ludlow series (silurian) of the type area and adjacent regions.
, 1992 Chitinozoans have been recovered from throughout the Ludlow Series of the type area around Ludlow and adjacent regions. Collections contain 12 genera and 42 species including 11 new species: Calpichitina (Calpichitina) granosa, Eisenackitina toddingensis,
Stuart John Eyre. Sutherland (7632275)
core +3 more sources
A summary of the Brazilian Paraná Basin Ordovician [PDF]
Estonian Journal of Earth Sciences, 2023 The study of the Ordovician of Paraná Basin culminated on the three-fold lithostratigraphic subdivision of the Rio Ivaà Group as follows: Alto Garças, Iapó and Vila Maria formations.
Carolina Zabini +11 more
doaj +1 more source
Chitinozoans from the Ordovician-Silurian Boundary Beds in the Eastern Cincinnati Region in Ohio and Kentucky [PDF]
, 1985 Author Institution: Geological Survey of Sweden ; Department of Geology and Mineralogy, The Ohio State UniversityRepresentatives of seven species of chitinozoans, one of which is new (Ancyrochitina belfastensis n.
Grahn, Yngve, Bergstrom, Stig M.
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The Llandovery–Wenlock boundary interval in west-central continental Estonia: an example from the Suigu (S-3) core section [PDF]
Estonian Journal of Earth Sciences, 2014 A gap corresponding to several conodont and chitinozoan zones occurs in the Llandovery–Wenlock boundary interval in some sections in the western coastal region of Estonia and on islands in the Muhu Strait.
Peep Männik +5 more
doaj +1 more source
Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia [PDF]
Estonian Journal of Earth Sciences, 2010 The distribution of chitinozoans in the Väo Formation (Lasnamägi and Uhaku regional stages, Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia, was investigated from 62 samples.
Tammekänd, Mairy +2 more
doaj
A multiproxy study of the Puhmu core section (Estonia, Upper Ordovician): consequences for stratigraphy and environmental interpretation [PDF]
Estonian Journal of Earth Sciences, 2017 A multiproxy study of the Katian and Hirnantian in the Puhmu core in NE Estonia resulted in new data on chitinozoan and brachiopod biostratigraphy. Some mass occurrences of dasycladacean algae are tied to small early Katian ‘reefs’.
Dimitri Kaljo +3 more
doaj +1 more source
A bio- and chemostratigraphic search for the Mid-Ludfordian Carbon Isotope Excursion interval in the Ludlow of the Ohesaare core, Estonia [PDF]
Estonian Journal of Earth Sciences, 2022 For years, the Ohesaare core section and its rich fossil assemblages have enticed researchers to suggest various ideas about Silurian stratigraphy in the East Baltic despite several sedimentary gaps occurring through the Ludlow interval in particular ...
Dimitri Kaljo +4 more
doaj +1 more source
Earliest chitinozoans discovered in the Cambrian Duyun fauna of China
, 2013 Chitinozoans are an enigmatic group of organic-walled marine microfossils with an abundant Lower Ordovician to Upper Devonian fossil record. They achieved maximum species diversity during the Middle Ordovician-Silurian, and their history during the group'
Williams, Mark +4 more
core +1 more source
The lower boundary of the Haljala Regional Stage (Sandbian, Upper Ordovician) in Estonia [PDF]
Estonian Journal of Earth Sciences, 2020 Multi-proxy correlation is used to address the boundary of the Kukruse and Haljala regional stages across the Estonian part of the Baltoscandian Ordovician Palaeobasin.
Tõnn Paiste +3 more
doaj +1 more source
Journal of Spectroscopy, Volume 24, Issue 3-4, Page 207-212, 2010., 2010 Laser Raman microspectroscopy was used as a microchemical analysis technique to characterize the wall chemistry of organic‐walled microfossils (acritarchs and prasinophytes) extracted from Proterozoic (Tonian: ca. 900 Myr) and early Palaeozoic (Silurian: ca.
Marie-Claire Dhamelincourt +5 more
wiley +1 more source