Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia)
Using light and scanning electron microscopy, a new species Aulacoseira capitalina Titova et Usoltseva from the Middle Miocene deposits of the Barguzin Valley is described. It is shown that the new species is similar to other elliptical species in terms of elliptical valve face profile, diameter, de...
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ftaltaistuniojs:oai:journal.asu.ru:article/12170 2023-05-15T18:19:32+02:00 Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) Titova, Lybov’ А. Hassan, Abdulmonem I. Usoltseva, Marina V. 2022-11-25 application/pdf application/xml http://journal.asu.ru/biol/article/view/12170 https://doi.org/10.5281/zenodo.7726461 eng eng Altai State University http://journal.asu.ru/biol/article/view/12170/10016 http://journal.asu.ru/biol/article/view/12170/10018 http://journal.asu.ru/biol/article/view/12170 doi:10.5281/zenodo.7726461 Acta Biologica Sibirica; Vol 8 (2022): Acta Biologica Sibirica; 571–582 Acta Biologica Sibirica; Том 8 (2022): Acta Biologica Sibirica; 571–582 2412-1908 Aulacoseira capitalina elliptical valves fossil diatoms Middle Miocene info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2022 ftaltaistuniojs https://doi.org/10.5281/zenodo.7726461 2023-03-14T18:08:53Z Using light and scanning electron microscopy, a new species Aulacoseira capitalina Titova et Usoltseva from the Middle Miocene deposits of the Barguzin Valley is described. It is shown that the new species is similar to other elliptical species in terms of elliptical valve face profile, diameter, deep ringleist, but differs in the shape of separating spines, the absence of ridge structure and the shape of rimoportulae. The finding of A. capitalina in the Middle Miocene deposits of the Barguzin Valley expands the range of distribution of elliptical species. Article in Journal/Newspaper Sibirica Altai State University: Scientific Journals of ASU Titova ENVELOPE(10.867,10.867,-71.967,-71.967) |
institution |
Open Polar |
collection |
Altai State University: Scientific Journals of ASU |
op_collection_id |
ftaltaistuniojs |
language |
English |
topic |
Aulacoseira capitalina elliptical valves fossil diatoms Middle Miocene |
spellingShingle |
Aulacoseira capitalina elliptical valves fossil diatoms Middle Miocene Titova, Lybov’ А. Hassan, Abdulmonem I. Usoltseva, Marina V. Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) |
topic_facet |
Aulacoseira capitalina elliptical valves fossil diatoms Middle Miocene |
description |
Using light and scanning electron microscopy, a new species Aulacoseira capitalina Titova et Usoltseva from the Middle Miocene deposits of the Barguzin Valley is described. It is shown that the new species is similar to other elliptical species in terms of elliptical valve face profile, diameter, deep ringleist, but differs in the shape of separating spines, the absence of ridge structure and the shape of rimoportulae. The finding of A. capitalina in the Middle Miocene deposits of the Barguzin Valley expands the range of distribution of elliptical species. |
format |
Article in Journal/Newspaper |
author |
Titova, Lybov’ А. Hassan, Abdulmonem I. Usoltseva, Marina V. |
author_facet |
Titova, Lybov’ А. Hassan, Abdulmonem I. Usoltseva, Marina V. |
author_sort |
Titova, Lybov’ А. |
title |
Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) |
title_short |
Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) |
title_full |
Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) |
title_fullStr |
Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) |
title_full_unstemmed |
Aulacoseira capitalina sp. nov. (Bacillariophyta) from the Middle Miocene sediments of the Barguzin Valley, Baikal Rift Zone (Russia) |
title_sort |
aulacoseira capitalina sp. nov. (bacillariophyta) from the middle miocene sediments of the barguzin valley, baikal rift zone (russia) |
publisher |
Altai State University |
publishDate |
2022 |
url |
http://journal.asu.ru/biol/article/view/12170 https://doi.org/10.5281/zenodo.7726461 |
long_lat |
ENVELOPE(10.867,10.867,-71.967,-71.967) |
geographic |
Titova |
geographic_facet |
Titova |
genre |
Sibirica |
genre_facet |
Sibirica |
op_source |
Acta Biologica Sibirica; Vol 8 (2022): Acta Biologica Sibirica; 571–582 Acta Biologica Sibirica; Том 8 (2022): Acta Biologica Sibirica; 571–582 2412-1908 |
op_relation |
http://journal.asu.ru/biol/article/view/12170/10016 http://journal.asu.ru/biol/article/view/12170/10018 http://journal.asu.ru/biol/article/view/12170 doi:10.5281/zenodo.7726461 |
op_doi |
https://doi.org/10.5281/zenodo.7726461 |
_version_ |
1766196662292709376 |