Alispira gracilis
Alispira gracilis (Nikiforova in Nikiforova & Andreeva, 1961) Zygospira (Alispira) gracilis Nikiforova in Nikiforova & Andreeva, 1961: 244, pl. LIII, figs 1-8. Alispira gracilis – Rubel 1970: 25, pl. XIII, figs 16- 22. — Lopushinskaya 1976: 63, pl. XI, figs 1, 2. MATERIAL EXAMINED. — Two spe...
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ftdatacite:10.5281/zenodo.5463795 2023-05-15T15:17:05+02:00 Alispira gracilis Modzalevskaya, Tatiana L. 2003 https://dx.doi.org/10.5281/zenodo.5463795 https://zenodo.org/record/5463795 unknown Zenodo http://publication.plazi.org/id/FF996E52E947FFA9DA1EFFC77B251E11 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.5281/zenodo.5375016 http://publication.plazi.org/id/FF996E52E947FFA9DA1EFFC77B251E11 https://dx.doi.org/10.5281/zenodo.5463796 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 Animalia Brachiopoda Rhynchonellata Atrypida Lissatrypidae Alispira Alispira gracilis Text Taxonomic treatment article-journal ScholarlyArticle 2003 ftdatacite https://doi.org/10.5281/zenodo.5463795 https://doi.org/10.5281/zenodo.5375016 https://doi.org/10.5281/zenodo.5463796 2021-11-05T12:55:41Z Alispira gracilis (Nikiforova in Nikiforova & Andreeva, 1961) Zygospira (Alispira) gracilis Nikiforova in Nikiforova & Andreeva, 1961: 244, pl. LIII, figs 1-8. Alispira gracilis – Rubel 1970: 25, pl. XIII, figs 16- 22. — Lopushinskaya 1976: 63, pl. XI, figs 1, 2. MATERIAL EXAMINED. — Two specimens from loc. 12, bed 112, Matusevich River, October Revolution Island (Männik et al . 2002: figs 2, 5); Vodopad Formation. REMARKS Specimens have a ventral valve with a keel on the umbo, and an acute, weakly incurved beak. The sinus is well defined: arising at the umbo, it is bordered by larger ribs and commonly bears one or two weaker ones. The lateral ribs increase in width anteriorly. The number of ribs multiplies by bifurcation and intercalation. Based on these features the specimens are assigned to Alispira gracilis which is typical of the Chamba and Talikit formations of East Siberia. Homeospira ? sp. (Poulsen 1934: 19, pl. 2, figs 21, 22) from the Cape Schuchert Formation of Greenland resembles A . gracilis . O. I. Nikiforova thought that, in reality, the last one should also be assigned to A . gracilis (Nikiforova & Andreeva 1961). : Published as part of Modzalevskaya, Tatiana L., 2003, Silurian and Devonian brachiopods from Severnaya Zemlya (Russian Arctic), pp. 73-107 in Geodiversitas 25 (1) on page 90, DOI: 10.5281/zenodo.5375016 : {"references": ["NIKIFOROVA O. I. & ANDREEVA O. N. 1961. - [Ordovician and Silurian stratigraphy of Siberian Platform and its paleontological grounds (Brachiopods)]. Biostratigrafiya paleozoya Sibirskoj platformy. Trudy VSEGEI, novaya seriya 56, 1, 412 p. (in Russian).", "RUBEL M. 1970. - Brachiopods Pentamerida and Spiriferida of the Silurian of Estonia. Valgus, Tallin, 75 p.", "LOPUSHINSKAYA T. V. 1976. - [Silurian brachiopods and stratigraphy of the North of Siberian Platform]. Trudy SNIIGGiMS'a 199, 104 p. (in Russian).", "MANNIK P., MENNER V. V., MATUKHIN R. G. & KURSS V. 2002. - Silurian and Devonian strata on the Severnaya Zemlya and Sedov archipelagos (Russia). Geodiversitas 24 (1): 99 - 122.", "POULSEN CHR. 1934. - The silurian faunas of North Greenland. I: The fauna of the Cape Schuchert Formation. Meddelelser om Gronland 72 (1), 46 p."]} Text Arctic Greenland North Greenland October Revolution Island Severnaya Zemlya Siberia DataCite Metadata Store (German National Library of Science and Technology) Arctic Greenland Severnaya Zemlya ENVELOPE(98.000,98.000,79.500,79.500) Gronland ENVELOPE(70.203,70.203,-49.626,-49.626) Sedov ENVELOPE(14.083,14.083,-69.367,-69.367) Andreeva ENVELOPE(155.200,155.200,-68.917,-68.917) Nikiforova ENVELOPE(64.750,64.750,-70.000,-70.000) Talikit ENVELOPE(89.130,89.130,69.431,69.431) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Brachiopoda Rhynchonellata Atrypida Lissatrypidae Alispira Alispira gracilis |
spellingShingle |
Biodiversity Taxonomy Animalia Brachiopoda Rhynchonellata Atrypida Lissatrypidae Alispira Alispira gracilis Modzalevskaya, Tatiana L. Alispira gracilis |
topic_facet |
Biodiversity Taxonomy Animalia Brachiopoda Rhynchonellata Atrypida Lissatrypidae Alispira Alispira gracilis |
description |
Alispira gracilis (Nikiforova in Nikiforova & Andreeva, 1961) Zygospira (Alispira) gracilis Nikiforova in Nikiforova & Andreeva, 1961: 244, pl. LIII, figs 1-8. Alispira gracilis – Rubel 1970: 25, pl. XIII, figs 16- 22. — Lopushinskaya 1976: 63, pl. XI, figs 1, 2. MATERIAL EXAMINED. — Two specimens from loc. 12, bed 112, Matusevich River, October Revolution Island (Männik et al . 2002: figs 2, 5); Vodopad Formation. REMARKS Specimens have a ventral valve with a keel on the umbo, and an acute, weakly incurved beak. The sinus is well defined: arising at the umbo, it is bordered by larger ribs and commonly bears one or two weaker ones. The lateral ribs increase in width anteriorly. The number of ribs multiplies by bifurcation and intercalation. Based on these features the specimens are assigned to Alispira gracilis which is typical of the Chamba and Talikit formations of East Siberia. Homeospira ? sp. (Poulsen 1934: 19, pl. 2, figs 21, 22) from the Cape Schuchert Formation of Greenland resembles A . gracilis . O. I. Nikiforova thought that, in reality, the last one should also be assigned to A . gracilis (Nikiforova & Andreeva 1961). : Published as part of Modzalevskaya, Tatiana L., 2003, Silurian and Devonian brachiopods from Severnaya Zemlya (Russian Arctic), pp. 73-107 in Geodiversitas 25 (1) on page 90, DOI: 10.5281/zenodo.5375016 : {"references": ["NIKIFOROVA O. I. & ANDREEVA O. N. 1961. - [Ordovician and Silurian stratigraphy of Siberian Platform and its paleontological grounds (Brachiopods)]. Biostratigrafiya paleozoya Sibirskoj platformy. Trudy VSEGEI, novaya seriya 56, 1, 412 p. (in Russian).", "RUBEL M. 1970. - Brachiopods Pentamerida and Spiriferida of the Silurian of Estonia. Valgus, Tallin, 75 p.", "LOPUSHINSKAYA T. V. 1976. - [Silurian brachiopods and stratigraphy of the North of Siberian Platform]. Trudy SNIIGGiMS'a 199, 104 p. (in Russian).", "MANNIK P., MENNER V. V., MATUKHIN R. G. & KURSS V. 2002. - Silurian and Devonian strata on the Severnaya Zemlya and Sedov archipelagos (Russia). Geodiversitas 24 (1): 99 - 122.", "POULSEN CHR. 1934. - The silurian faunas of North Greenland. I: The fauna of the Cape Schuchert Formation. Meddelelser om Gronland 72 (1), 46 p."]} |
format |
Text |
author |
Modzalevskaya, Tatiana L. |
author_facet |
Modzalevskaya, Tatiana L. |
author_sort |
Modzalevskaya, Tatiana L. |
title |
Alispira gracilis |
title_short |
Alispira gracilis |
title_full |
Alispira gracilis |
title_fullStr |
Alispira gracilis |
title_full_unstemmed |
Alispira gracilis |
title_sort |
alispira gracilis |
publisher |
Zenodo |
publishDate |
2003 |
url |
https://dx.doi.org/10.5281/zenodo.5463795 https://zenodo.org/record/5463795 |
long_lat |
ENVELOPE(98.000,98.000,79.500,79.500) ENVELOPE(70.203,70.203,-49.626,-49.626) ENVELOPE(14.083,14.083,-69.367,-69.367) ENVELOPE(155.200,155.200,-68.917,-68.917) ENVELOPE(64.750,64.750,-70.000,-70.000) ENVELOPE(89.130,89.130,69.431,69.431) |
geographic |
Arctic Greenland Severnaya Zemlya Gronland Sedov Andreeva Nikiforova Talikit |
geographic_facet |
Arctic Greenland Severnaya Zemlya Gronland Sedov Andreeva Nikiforova Talikit |
genre |
Arctic Greenland North Greenland October Revolution Island Severnaya Zemlya Siberia |
genre_facet |
Arctic Greenland North Greenland October Revolution Island Severnaya Zemlya Siberia |
op_relation |
http://publication.plazi.org/id/FF996E52E947FFA9DA1EFFC77B251E11 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.5281/zenodo.5375016 http://publication.plazi.org/id/FF996E52E947FFA9DA1EFFC77B251E11 https://dx.doi.org/10.5281/zenodo.5463796 https://zenodo.org/communities/biosyslit |
op_rights |
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.5463795 https://doi.org/10.5281/zenodo.5375016 https://doi.org/10.5281/zenodo.5463796 |
_version_ |
1766347360651182080 |