An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta)
A new species of araphid diatoms with bilobate ends is described as Staurosirella tigris sp. nov. It was found in mid-Miocene glacial-lacustrine sediments in the Friis Hills, Antarctica. The new diatom is placed in Staurosirella because it has striae composed of apically-oriented lineolae, separated...
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ftmagnoliapress:oai:https://mapress.com/oai/:article/45502 2023-05-15T14:01:24+02:00 An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) HARPER, MARGARET A. MORALES, EDUARDO A. VAN DE VIJVER, BART 2022-03-25 application/pdf https://www.mapress.com/pt/article/view/phytotaxa.541.2.10 eng eng Magnolia press https://www.mapress.com/pt/article/view/phytotaxa.541.2.10/47027 https://www.mapress.com/pt/article/view/phytotaxa.541.2.10 Copyright (c) 2022 Phytotaxa Phytotaxa; Vol. 541 No. 2: 25 March 2022; 201-208 1179-3163 1179-3155 10.11646/phytotaxa.541.2 Antarctica Friis Hills Miocene flora polar wetlands Staurosirella tundra ponds Algae info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2022 ftmagnoliapress https://doi.org/10.11646/phytotaxa.541.2 2022-03-29T17:09:13Z A new species of araphid diatoms with bilobate ends is described as Staurosirella tigris sp. nov. It was found in mid-Miocene glacial-lacustrine sediments in the Friis Hills, Antarctica. The new diatom is placed in Staurosirella because it has striae composed of apically-oriented lineolae, separated by long, thin vimines, and it lacks rimoportulae. It can be easily distinguished by its rectangular valve shape with bilobate ends, differing from Staurosirella grunowii, another four-lobed Miocene species, by having a rectangular central portion to its valves instead of being cross-shaped with the four lobes arising from a common central area. Also, the distribution of the new species is different, to date only being found in Antarctica, while S. grunowii is restricted to the Northern Hemisphere. Article in Journal/Newspaper Antarc* Antarctica East Antarctica Tundra Magnolia press East Antarctica Friis Hills ENVELOPE(161.417,161.417,-77.750,-77.750) Phytotaxa 541 2 |
institution |
Open Polar |
collection |
Magnolia press |
op_collection_id |
ftmagnoliapress |
language |
English |
topic |
Antarctica Friis Hills Miocene flora polar wetlands Staurosirella tundra ponds Algae |
spellingShingle |
Antarctica Friis Hills Miocene flora polar wetlands Staurosirella tundra ponds Algae HARPER, MARGARET A. MORALES, EDUARDO A. VAN DE VIJVER, BART An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) |
topic_facet |
Antarctica Friis Hills Miocene flora polar wetlands Staurosirella tundra ponds Algae |
description |
A new species of araphid diatoms with bilobate ends is described as Staurosirella tigris sp. nov. It was found in mid-Miocene glacial-lacustrine sediments in the Friis Hills, Antarctica. The new diatom is placed in Staurosirella because it has striae composed of apically-oriented lineolae, separated by long, thin vimines, and it lacks rimoportulae. It can be easily distinguished by its rectangular valve shape with bilobate ends, differing from Staurosirella grunowii, another four-lobed Miocene species, by having a rectangular central portion to its valves instead of being cross-shaped with the four lobes arising from a common central area. Also, the distribution of the new species is different, to date only being found in Antarctica, while S. grunowii is restricted to the Northern Hemisphere. |
format |
Article in Journal/Newspaper |
author |
HARPER, MARGARET A. MORALES, EDUARDO A. VAN DE VIJVER, BART |
author_facet |
HARPER, MARGARET A. MORALES, EDUARDO A. VAN DE VIJVER, BART |
author_sort |
HARPER, MARGARET A. |
title |
An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) |
title_short |
An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) |
title_full |
An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) |
title_fullStr |
An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) |
title_full_unstemmed |
An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta) |
title_sort |
unusual freshwater diatom with bilobate ends from the mid-miocene of east antarctica: staurosirella tigris sp. nov. (fragilariaceae, bacillariophyta) |
publisher |
Magnolia press |
publishDate |
2022 |
url |
https://www.mapress.com/pt/article/view/phytotaxa.541.2.10 |
long_lat |
ENVELOPE(161.417,161.417,-77.750,-77.750) |
geographic |
East Antarctica Friis Hills |
geographic_facet |
East Antarctica Friis Hills |
genre |
Antarc* Antarctica East Antarctica Tundra |
genre_facet |
Antarc* Antarctica East Antarctica Tundra |
op_source |
Phytotaxa; Vol. 541 No. 2: 25 March 2022; 201-208 1179-3163 1179-3155 10.11646/phytotaxa.541.2 |
op_relation |
https://www.mapress.com/pt/article/view/phytotaxa.541.2.10/47027 https://www.mapress.com/pt/article/view/phytotaxa.541.2.10 |
op_rights |
Copyright (c) 2022 Phytotaxa |
op_doi |
https://doi.org/10.11646/phytotaxa.541.2 |
container_title |
Phytotaxa |
container_volume |
541 |
container_issue |
2 |
_version_ |
1766271204288626688 |