Palaeozoic


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Palaeozoic

of, denoting, or relating to an era of geological time that began 600 million years ago with the Cambrian period and lasted about 375 million years until the end of the Permian period
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
In helically coiled, anisostrophic gastropods, paired muscle attachment scars are reported in adult shells in several Palaeozoic platyceratoideans and rarely in pleurotomarioideans, but at the present day they are also present in some extant vetigastropods, neritomorphans, patellogastropods and a few caengastropods (Fretter & Graham 1994; Ponder & Lindberg 1997).
The acquisition of the new seismic coupled with the Basin Modelling has enabled the company to increase its understanding of the TAGI structural play, the deeper Palaeozoic potential and the hydrocarbon charge model.
The northern onshore parts of the WD, so far a mainly gas-prone province, are under-lain by two east-west trending sub-basins containing thick Palaeozoic to Tertiary sediments.
It has long been believed that ancient forests did not respond to climate changes in a significant manner, but a new study published in Nature Geoscience focusing on the Palaeozoic Era reveals that such forests and climate were closely interconnected.
Silurian sedimentary rocks are distributed in most of the territory of Lithuania, except the southernmost part of the country that resulted from the Late Palaeozoic erosion (Fig.
Rocks consist of Palaeozoic dolomite/limestone detachment blocks surrounded and underlain by Tertiary rhyolite tuffs.
In sections on Precambrian, Palaeozoic, Mesozoic, and Cenozoic, the topics include the great oxygenation, ancient scorpions, halfway to mammals, sexual selection, grassed up, stuck in time, left-handed snails, and Sirenian slaughter.
Marker Assemblage zones of spores and pollen species through Gondwana Palaeozoic and Mesozoic sequence in India.
Delgado (1886) distinguished almost twenty ichnospecies of Cruziana from the Lower Palaeozoic of Portugal, yet Seilacher (1970) retained only C.
Due to the fragmentary nature of the new material and paucity of knowledge of Palaeozoic scorpions the material is unidentifiable beyond Scorpiones incertae sedis.
The Acanthodii group of fish are also known as 'spiny sharks' owing to their appearance and, from what we know to date, they only lived during the Palaeozoic Era and reached their maximum level of diversity in the Devonic period.