New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia
New findings of esthonioporate bryozoans of the species Revalotrypa cf. inopinata, representing one of the oldest bryozoans of Baltoscandia, are described from an outcrop located in Leningrad Oblast' (north-western Russia). The colonies of this species are very small and were extracted from lim...
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Online Access: | http://hdl.handle.net/2042/70296 https://doi.org/10.4267/2042/70296 |
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ftjirevues:oai:documents.irevues.inist.fr:2042/70296 2023-05-15T17:24:12+02:00 New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia Nouvelles découvertes du genre Revalotrypa, le plus vieux genre bryozoaire de Baltoscandia, au nord-ouest de la Russie Fedorov, Petr V. Koromyslova, Anna V. 2019-08 http://hdl.handle.net/2042/70296 https://doi.org/10.4267/2042/70296 en eng Association "Carnets de Géologie" Carnets de géologie Fedorov P.V. & Koromyslova A.V. (2019).- New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia.- Carnets Geol., Madrid, vol. 19, no. 11, p. xxx-yyy. 1634-0744 http://hdl.handle.net/2042/70296 https://doi.org/10.4267/2042/70296 Accès libre - https://creativecommons.org/licenses/by-nc-sa/2.5/deed.fr CC-BY-NC-SA Carnets Geol., Madrid, vol. 19, no. 11, p. xxx-yyy. Bryozoa Ordovician Floian Baltoscandia micro-CT Bryozoaires Ordovicien Floïen Baltoscandie microtomographie Article 2019 ftjirevues https://doi.org/10.4267/2042/70296 2022-03-27T06:47:18Z New findings of esthonioporate bryozoans of the species Revalotrypa cf. inopinata, representing one of the oldest bryozoans of Baltoscandia, are described from an outcrop located in Leningrad Oblast' (north-western Russia). The colonies of this species are very small and were extracted from limestone-cemented nodules found in glauconitic sandstones of the lower part of the Joa Member (Paroistodus proteus conodont zone, lowermost Floian, Lower Ordovician). Combined X-ray microtomography and the examination of traditional thin sections under a stereomicroscope and a light microscope were used to study the morphology of this species. Les nouvelles découvertes de bryozoaires esthonioporates de l'espèce Revalotrypa cf. inopinata, représentant l'un des plus anciens bryozoaires de Baltoscandie, sont décrites dans un affleurement situé dans l'oblast de Léningrad (nord-ouest de la Russie). Les colonies de cette espèce sont très petites et furent extraites de nodules calcaires cimentés trouvés dans les grès glauconitiques de la partie inférieure du Membre Joa (zone de сonodonte Paroistodus proteus, Floïen basal, Ordovicien inférieur). La microtomographie à rayons X combinée et l'examen de coupes minces traditionnelles au stéréomicroscope et au microscope optique sont utilisés pour étudier la morphologie de cette espèce. Article in Journal/Newspaper Nord-ouest de la Russie North-Western Russia I-Revues (E-Journals, INIST-CNRS) Carnets de géologie (Notebooks on geology) 19 |
institution |
Open Polar |
collection |
I-Revues (E-Journals, INIST-CNRS) |
op_collection_id |
ftjirevues |
language |
English |
topic |
Bryozoa Ordovician Floian Baltoscandia micro-CT Bryozoaires Ordovicien Floïen Baltoscandie microtomographie |
spellingShingle |
Bryozoa Ordovician Floian Baltoscandia micro-CT Bryozoaires Ordovicien Floïen Baltoscandie microtomographie Fedorov, Petr V. Koromyslova, Anna V. New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia |
topic_facet |
Bryozoa Ordovician Floian Baltoscandia micro-CT Bryozoaires Ordovicien Floïen Baltoscandie microtomographie |
description |
New findings of esthonioporate bryozoans of the species Revalotrypa cf. inopinata, representing one of the oldest bryozoans of Baltoscandia, are described from an outcrop located in Leningrad Oblast' (north-western Russia). The colonies of this species are very small and were extracted from limestone-cemented nodules found in glauconitic sandstones of the lower part of the Joa Member (Paroistodus proteus conodont zone, lowermost Floian, Lower Ordovician). Combined X-ray microtomography and the examination of traditional thin sections under a stereomicroscope and a light microscope were used to study the morphology of this species. Les nouvelles découvertes de bryozoaires esthonioporates de l'espèce Revalotrypa cf. inopinata, représentant l'un des plus anciens bryozoaires de Baltoscandie, sont décrites dans un affleurement situé dans l'oblast de Léningrad (nord-ouest de la Russie). Les colonies de cette espèce sont très petites et furent extraites de nodules calcaires cimentés trouvés dans les grès glauconitiques de la partie inférieure du Membre Joa (zone de сonodonte Paroistodus proteus, Floïen basal, Ordovicien inférieur). La microtomographie à rayons X combinée et l'examen de coupes minces traditionnelles au stéréomicroscope et au microscope optique sont utilisés pour étudier la morphologie de cette espèce. |
format |
Article in Journal/Newspaper |
author |
Fedorov, Petr V. Koromyslova, Anna V. |
author_facet |
Fedorov, Petr V. Koromyslova, Anna V. |
author_sort |
Fedorov, Petr V. |
title |
New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia |
title_short |
New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia |
title_full |
New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia |
title_fullStr |
New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia |
title_full_unstemmed |
New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia |
title_sort |
new findings of the genus revalotrypa, the oldest bryozoan genus of baltoscandia, in north-western russia |
publisher |
Association "Carnets de Géologie" |
publishDate |
2019 |
url |
http://hdl.handle.net/2042/70296 https://doi.org/10.4267/2042/70296 |
genre |
Nord-ouest de la Russie North-Western Russia |
genre_facet |
Nord-ouest de la Russie North-Western Russia |
op_source |
Carnets Geol., Madrid, vol. 19, no. 11, p. xxx-yyy. |
op_relation |
Carnets de géologie Fedorov P.V. & Koromyslova A.V. (2019).- New findings of the genus Revalotrypa, the oldest bryozoan genus of Baltoscandia, in north-western Russia.- Carnets Geol., Madrid, vol. 19, no. 11, p. xxx-yyy. 1634-0744 http://hdl.handle.net/2042/70296 https://doi.org/10.4267/2042/70296 |
op_rights |
Accès libre - https://creativecommons.org/licenses/by-nc-sa/2.5/deed.fr |
op_rightsnorm |
CC-BY-NC-SA |
op_doi |
https://doi.org/10.4267/2042/70296 |
container_title |
Carnets de géologie (Notebooks on geology) |
container_issue |
19 |
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1766115120388243456 |