Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov.
Psammothidium superpapilio Kopalová, Zidarova & Van de Vijver sp. nov. Figs 86–109 Etymology The specific epithet refers to the similarity with P. papilio and the larger valve dimensions. Type Byers Peninsula, Livingston Island, South Shetland Islands, Antarctica, sample BYM-008 (62°40′11.3″S 61...
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2016
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Online Access: | https://dx.doi.org/10.5281/zenodo.3853082 https://zenodo.org/record/3853082 |
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ftdatacite:10.5281/zenodo.3853082 |
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openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Biodiversity Taxonomy Chromista Bacillariophyta Bacillariophyceae Achnanthales Achnanthidiaceae Psammothidium Psammothidium superpapilio |
spellingShingle |
Biodiversity Taxonomy Chromista Bacillariophyta Bacillariophyceae Achnanthales Achnanthidiaceae Psammothidium Psammothidium superpapilio Kopalová, Kateřina Zidarova, Ralitsa Vijver, Bart Van De Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. |
topic_facet |
Biodiversity Taxonomy Chromista Bacillariophyta Bacillariophyceae Achnanthales Achnanthidiaceae Psammothidium Psammothidium superpapilio |
description |
Psammothidium superpapilio Kopalová, Zidarova & Van de Vijver sp. nov. Figs 86–109 Etymology The specific epithet refers to the similarity with P. papilio and the larger valve dimensions. Type Byers Peninsula, Livingston Island, South Shetland Islands, Antarctica, sample BYM-008 (62°40′11.3″S 61°08′45.3″W) (leg. B. Van de Vijver), coll. date: 9 Jan. 2009 (holo-: slide no. BR–4439; iso-: slide PLP–295, University of Antwerp, Belgium). Description Light microscopy (Figs 86–105) Valves lanceolate to lanceolate-elliptic with convex to sometimes more straight margins gradually tapering towards the broad cuneately rounded apices. Valve dimensions (n = 40): length 15–20 µm, width 4.5–5.5 µm. Raphe valve (Figs 96–105): valves clearly convex. Axial area narrow, linear, almost not widening towards the central area. Central area forming a broad rectangular to bow-tieshaped subfascia with several (3–5) shortened striae present near the valve margins. Raphe straight with indistinct, straight proximal endings. Distal fissures not discernible in LM. Transapical striae weakly radiate near the central area, becoming more strongly radiate towards the apices, 28–30 in 10 µm. Areolae not discernible in LM. Rapheless valve (Figs 86–95): thickened marginal crest clearly visible in LM. Axial area very narrow, linear-lanceolate, clearly widening towards the central area. Pseudoraphe clearly present as a series of irregular depressions in the axial area. Central area rounded to rhombical, bordered by several shortened striae. Fascia never present. Transapical striae weakly radiate throughout becoming more strongly radiate towards the apices, 26–29 in 10 µm. Scanning electron microscopy (Figs 106–109) Raphe valve (Figs 106–107): axial area weakly raised and more heavily silicified (Fig. 106). Striae uniseriate, composed of long series of very small, rounded to rectangular areolae (Fig. 106). Number of areolae per striae diminishing towards the axial area (Fig. 106). On the valve face/margin junction, one transapically elongated areola present. Raphe branches almost straight (Fig. 106). Proximal raphe endings straight, simple, never expanded (Fig. 106). Distal endings short, terminating near the last striae at the apices (Fig. 106). Internally, areolae rectangular, covered by perforated hymenes (Fig. 107). Proximal raphe endings bent into opposite directions. Distal endings terminating onto small helictoglossae (Fig. 107). Rapheless valve (Figs 108–109): Valve clearly concave. Thin, raised marginal crest bordering the entire valve. Axial area with irregular depressions, forming a clear pseudoraphe (Fig. 108). Striae uniseriate composed of small, rounded areolae. Internally areolae covered by individual perforated hymenes (Fig. 109). Virgae not raised. Ecology and distribution This new species was up to now only observed with certainty on Livingston Island. The largest population was found living in a terrestrial moss vegetation, at the edge of a shallow lake. The sampling site was clearly influenced by animals with remains of penguins present on the mosses. The sample was dominated by several Psammothidium taxa such as P. germainii (Manguin) Sabbe (Sabbe et al. 2003), P. aretasii (Manguin) Le Cohu (Le Cohu 2005) and P. incognitum (Krasske) Van de Vijver & Beyens (Van de Vijver et al. 2002). : Published as part of Kopalová, Kateřina, Zidarova, Ralitsa & Vijver, Bart Van De, 2016, Four new monoraphid diatom species (Bacillariophyta, Achnanthaceae) from the Maritime Antarctic Region, pp. 1-19 in European Journal of Taxonomy 217 on pages 11-13, DOI: 10.5852/ejt.2016.217, http://zenodo.org/record/3840173 : {"references": ["Sabbe K., Verleyen E., Hodgson D. A., Vanhoutte K. & Vyverman W. 2003. Benthic diatom flora of freshwater and saline lakes in the Larsemann Hills and Rauer Islands, East Antarctica. Antarctic Science 15: 227 - 248. http: // dx. doi. org / 10.1017 / S 095410200300124 X", "Le Cohu R. 2005. Revision des principales especes dulcaquicoles d'Achnanthales (Bacillariophyta) des iles subantarctiques de Kerguelen. Algological Studies 116: 79 - 114. http: // dx. doi. org / 10.1127 / 1864 - 1318 / 2005 / 0116 - 0079", "Van de Vijver B., Frenot Y. & Beyens L. 2002. Freshwater diatoms from Ile de la Possession (Crozet archipelago, Subantarctica). Bibliotheca Diatomologica 46, J. Cramer, Berlin & Stuttgart."]} |
format |
Text |
author |
Kopalová, Kateřina Zidarova, Ralitsa Vijver, Bart Van De |
author_facet |
Kopalová, Kateřina Zidarova, Ralitsa Vijver, Bart Van De |
author_sort |
Kopalová, Kateřina |
title |
Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. |
title_short |
Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. |
title_full |
Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. |
title_fullStr |
Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. |
title_full_unstemmed |
Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. |
title_sort |
psammothidium superpapilio kopalova, zidarova & van de vijver 2016, sp. nov. |
publisher |
Zenodo |
publishDate |
2016 |
url |
https://dx.doi.org/10.5281/zenodo.3853082 https://zenodo.org/record/3853082 |
long_lat |
ENVELOPE(-60.500,-60.500,-62.600,-62.600) ENVELOPE(76.217,76.217,-69.400,-69.400) ENVELOPE(-60.283,-60.283,-63.900,-63.900) ENVELOPE(166.083,166.083,-78.117,-78.117) ENVELOPE(-61.066,-61.066,-62.633,-62.633) ENVELOPE(-63.098,-63.098,-64.824,-64.824) ENVELOPE(9.954,9.954,63.343,63.343) ENVELOPE(77.833,77.833,-68.850,-68.850) |
geographic |
Antarctic East Antarctica Kerguelen South Shetland Islands Livingston Island Larsemann Hills Byers Hodgson Byers peninsula Cramer Holo Rauer Islands |
geographic_facet |
Antarctic East Antarctica Kerguelen South Shetland Islands Livingston Island Larsemann Hills Byers Hodgson Byers peninsula Cramer Holo Rauer Islands |
genre |
Antarc* Antarctic Antarctica East Antarctica Livingston Island Rauer Islands South Shetland Islands |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Livingston Island Rauer Islands South Shetland Islands |
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Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC0 |
op_doi |
https://doi.org/10.5281/zenodo.3853082 https://doi.org/10.5852/ejt.2016.217 https://doi.org/10.5281/zenodo.3840185 https://doi.org/10.5281/zenodo.3853081 |
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ftdatacite:10.5281/zenodo.3853082 2023-05-15T13:42:14+02:00 Psammothidium superpapilio Kopalova, Zidarova & Van de Vijver 2016, sp. nov. Kopalová, Kateřina Zidarova, Ralitsa Vijver, Bart Van De 2016 https://dx.doi.org/10.5281/zenodo.3853082 https://zenodo.org/record/3853082 unknown Zenodo http://zenodo.org/record/3840173 http://publication.plazi.org/id/FFBE443EFFCCFFE9FF814A20A35FFF81 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.5852/ejt.2016.217 http://zenodo.org/record/3840173 http://publication.plazi.org/id/FFBE443EFFCCFFE9FF814A20A35FFF81 https://dx.doi.org/10.5281/zenodo.3840185 https://dx.doi.org/10.5281/zenodo.3853081 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Chromista Bacillariophyta Bacillariophyceae Achnanthales Achnanthidiaceae Psammothidium Psammothidium superpapilio article-journal ScholarlyArticle Text Taxonomic treatment 2016 ftdatacite https://doi.org/10.5281/zenodo.3853082 https://doi.org/10.5852/ejt.2016.217 https://doi.org/10.5281/zenodo.3840185 https://doi.org/10.5281/zenodo.3853081 2022-03-10T12:01:26Z Psammothidium superpapilio Kopalová, Zidarova & Van de Vijver sp. nov. Figs 86–109 Etymology The specific epithet refers to the similarity with P. papilio and the larger valve dimensions. Type Byers Peninsula, Livingston Island, South Shetland Islands, Antarctica, sample BYM-008 (62°40′11.3″S 61°08′45.3″W) (leg. B. Van de Vijver), coll. date: 9 Jan. 2009 (holo-: slide no. BR–4439; iso-: slide PLP–295, University of Antwerp, Belgium). Description Light microscopy (Figs 86–105) Valves lanceolate to lanceolate-elliptic with convex to sometimes more straight margins gradually tapering towards the broad cuneately rounded apices. Valve dimensions (n = 40): length 15–20 µm, width 4.5–5.5 µm. Raphe valve (Figs 96–105): valves clearly convex. Axial area narrow, linear, almost not widening towards the central area. Central area forming a broad rectangular to bow-tieshaped subfascia with several (3–5) shortened striae present near the valve margins. Raphe straight with indistinct, straight proximal endings. Distal fissures not discernible in LM. Transapical striae weakly radiate near the central area, becoming more strongly radiate towards the apices, 28–30 in 10 µm. Areolae not discernible in LM. Rapheless valve (Figs 86–95): thickened marginal crest clearly visible in LM. Axial area very narrow, linear-lanceolate, clearly widening towards the central area. Pseudoraphe clearly present as a series of irregular depressions in the axial area. Central area rounded to rhombical, bordered by several shortened striae. Fascia never present. Transapical striae weakly radiate throughout becoming more strongly radiate towards the apices, 26–29 in 10 µm. Scanning electron microscopy (Figs 106–109) Raphe valve (Figs 106–107): axial area weakly raised and more heavily silicified (Fig. 106). Striae uniseriate, composed of long series of very small, rounded to rectangular areolae (Fig. 106). Number of areolae per striae diminishing towards the axial area (Fig. 106). On the valve face/margin junction, one transapically elongated areola present. Raphe branches almost straight (Fig. 106). Proximal raphe endings straight, simple, never expanded (Fig. 106). Distal endings short, terminating near the last striae at the apices (Fig. 106). Internally, areolae rectangular, covered by perforated hymenes (Fig. 107). Proximal raphe endings bent into opposite directions. Distal endings terminating onto small helictoglossae (Fig. 107). Rapheless valve (Figs 108–109): Valve clearly concave. Thin, raised marginal crest bordering the entire valve. Axial area with irregular depressions, forming a clear pseudoraphe (Fig. 108). Striae uniseriate composed of small, rounded areolae. Internally areolae covered by individual perforated hymenes (Fig. 109). Virgae not raised. Ecology and distribution This new species was up to now only observed with certainty on Livingston Island. The largest population was found living in a terrestrial moss vegetation, at the edge of a shallow lake. The sampling site was clearly influenced by animals with remains of penguins present on the mosses. The sample was dominated by several Psammothidium taxa such as P. germainii (Manguin) Sabbe (Sabbe et al. 2003), P. aretasii (Manguin) Le Cohu (Le Cohu 2005) and P. incognitum (Krasske) Van de Vijver & Beyens (Van de Vijver et al. 2002). : Published as part of Kopalová, Kateřina, Zidarova, Ralitsa & Vijver, Bart Van De, 2016, Four new monoraphid diatom species (Bacillariophyta, Achnanthaceae) from the Maritime Antarctic Region, pp. 1-19 in European Journal of Taxonomy 217 on pages 11-13, DOI: 10.5852/ejt.2016.217, http://zenodo.org/record/3840173 : {"references": ["Sabbe K., Verleyen E., Hodgson D. A., Vanhoutte K. & Vyverman W. 2003. Benthic diatom flora of freshwater and saline lakes in the Larsemann Hills and Rauer Islands, East Antarctica. Antarctic Science 15: 227 - 248. http: // dx. doi. org / 10.1017 / S 095410200300124 X", "Le Cohu R. 2005. Revision des principales especes dulcaquicoles d'Achnanthales (Bacillariophyta) des iles subantarctiques de Kerguelen. Algological Studies 116: 79 - 114. http: // dx. doi. org / 10.1127 / 1864 - 1318 / 2005 / 0116 - 0079", "Van de Vijver B., Frenot Y. & Beyens L. 2002. Freshwater diatoms from Ile de la Possession (Crozet archipelago, Subantarctica). Bibliotheca Diatomologica 46, J. Cramer, Berlin & Stuttgart."]} Text Antarc* Antarctic Antarctica East Antarctica Livingston Island Rauer Islands South Shetland Islands DataCite Metadata Store (German National Library of Science and Technology) Antarctic East Antarctica Kerguelen South Shetland Islands Livingston Island ENVELOPE(-60.500,-60.500,-62.600,-62.600) Larsemann Hills ENVELOPE(76.217,76.217,-69.400,-69.400) Byers ENVELOPE(-60.283,-60.283,-63.900,-63.900) Hodgson ENVELOPE(166.083,166.083,-78.117,-78.117) Byers peninsula ENVELOPE(-61.066,-61.066,-62.633,-62.633) Cramer ENVELOPE(-63.098,-63.098,-64.824,-64.824) Holo ENVELOPE(9.954,9.954,63.343,63.343) Rauer Islands ENVELOPE(77.833,77.833,-68.850,-68.850) |