Thorkelius Bird, 2004, gen. nov.
Thorkelius gen. nov. Leptognathia : Hansen, 1913: 101 –102. Leptognathia : Lang, 1968: 159, table II. Type species . Leptognathia latiremis Hansen, 1913. Diagnosis . Anarthrurid with normally developed pleon. Labrum conical, not laterally compressed. Mandible weak with elongate incisor process, with...
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ftzenodo:oai:zenodo.org:5621928 2024-09-15T18:14:24+00:00 Thorkelius Bird, 2004, gen. nov. Bird, Graham 2004-12-31 https://doi.org/10.5281/zenodo.5621928 http://treatment.plazi.org/id/422787BBFFEEE4533F676D0EFB18FB0D unknown Zenodo https://doi.org/10.5281/zenodo.157876 http://publication.plazi.org/id/BE1EFFC3FFFAE4473E6F6C12FFF2FFB3 https://sibils.text-analytics.ch/search/collections/plazi/422787BBFFEEE4533F676D0EFB18FB0D https://www.gbif.org/species/119600801 https://www.checklistbank.org/dataset/41842/taxon/422787BBFFEEE4533F676D0EFB18FB0D.taxon http://zoobank.org/6B9E9090-603A-4A51-8A07-84FC54F9FE17 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5621927 https://doi.org/10.5281/zenodo.5621928 oai:zenodo.org:5621928 http://treatment.plazi.org/id/422787BBFFEEE4533F676D0EFB18FB0D info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Tanaidacea (Crustacea) of the Northeast Atlantic: nonfiliform species of Anarthruridae Lang from the Atlantic Margin, pp. 1-44 in Zootaxa, 471, 21, (2004-12-31) Biodiversity Taxonomy Animalia Arthropoda Malacostraca Tanaidacea Anarthruridae Thorkelius info:eu-repo/semantics/other 2004 ftzenodo https://doi.org/10.5281/zenodo.562192810.5281/zenodo.15787610.5281/zenodo.5621927 2024-07-27T02:08:20Z Thorkelius gen. nov. Leptognathia : Hansen, 1913: 101 –102. Leptognathia : Lang, 1968: 159, table II. Type species . Leptognathia latiremis Hansen, 1913. Diagnosis . Anarthrurid with normally developed pleon. Labrum conical, not laterally compressed. Mandible weak with elongate incisor process, without molar or lacinia mobilis. Maxillule endite with five (or six?) setae. Maxilliped endite with one seta; palp article 3 with four large setae. Cheliped propodus without lateral fold; fixed finger with two ventral spiniform setae. Carpus of pereopods 4–6 with three complex spiniform setae and one smaller dorsal seta. Pleopods present. Etymology . After the Icelandic demon character ‘Thorkel’, from the ‘Tale of Thorstein Shiver’; alluding to its prevalence in the cold, dark depths of the seas north and east of Iceland. Remarks . An apparently significant discrepancy exists between this diagnosis and the description and drawings of the mouthparts given by Hansen for L. latiremis. He shows large and robust mandibles that possess both a lacinia mobilis and well developed molar, and a maxilliped that has palps relatively small in relation to the bases; the palp article3 is also depicted with only two inner setae. These all give the impression of belonging to an akanthophoreinid, colletteid or tanaellid rather than an anarthrurid and that a probable lapsus calami has occurred. Two species are placed in this genus, L. latiremis and L. glacialis . They differ from all known anarthrurids in the possession of four inner setae on maxilliped palp article3. Published as part of Bird, Graham, 2004, Tanaidacea (Crustacea) of the Northeast Atlantic: nonfiliform species of Anarthruridae Lang from the Atlantic Margin, pp. 1-44 in Zootaxa 471 on page 21, DOI: 10.5281/zenodo.157876 Other/Unknown Material Iceland Northeast Atlantic Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Tanaidacea Anarthruridae Thorkelius |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Tanaidacea Anarthruridae Thorkelius Bird, Graham Thorkelius Bird, 2004, gen. nov. |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Tanaidacea Anarthruridae Thorkelius |
description |
Thorkelius gen. nov. Leptognathia : Hansen, 1913: 101 –102. Leptognathia : Lang, 1968: 159, table II. Type species . Leptognathia latiremis Hansen, 1913. Diagnosis . Anarthrurid with normally developed pleon. Labrum conical, not laterally compressed. Mandible weak with elongate incisor process, without molar or lacinia mobilis. Maxillule endite with five (or six?) setae. Maxilliped endite with one seta; palp article 3 with four large setae. Cheliped propodus without lateral fold; fixed finger with two ventral spiniform setae. Carpus of pereopods 4–6 with three complex spiniform setae and one smaller dorsal seta. Pleopods present. Etymology . After the Icelandic demon character ‘Thorkel’, from the ‘Tale of Thorstein Shiver’; alluding to its prevalence in the cold, dark depths of the seas north and east of Iceland. Remarks . An apparently significant discrepancy exists between this diagnosis and the description and drawings of the mouthparts given by Hansen for L. latiremis. He shows large and robust mandibles that possess both a lacinia mobilis and well developed molar, and a maxilliped that has palps relatively small in relation to the bases; the palp article3 is also depicted with only two inner setae. These all give the impression of belonging to an akanthophoreinid, colletteid or tanaellid rather than an anarthrurid and that a probable lapsus calami has occurred. Two species are placed in this genus, L. latiremis and L. glacialis . They differ from all known anarthrurids in the possession of four inner setae on maxilliped palp article3. Published as part of Bird, Graham, 2004, Tanaidacea (Crustacea) of the Northeast Atlantic: nonfiliform species of Anarthruridae Lang from the Atlantic Margin, pp. 1-44 in Zootaxa 471 on page 21, DOI: 10.5281/zenodo.157876 |
format |
Other/Unknown Material |
author |
Bird, Graham |
author_facet |
Bird, Graham |
author_sort |
Bird, Graham |
title |
Thorkelius Bird, 2004, gen. nov. |
title_short |
Thorkelius Bird, 2004, gen. nov. |
title_full |
Thorkelius Bird, 2004, gen. nov. |
title_fullStr |
Thorkelius Bird, 2004, gen. nov. |
title_full_unstemmed |
Thorkelius Bird, 2004, gen. nov. |
title_sort |
thorkelius bird, 2004, gen. nov. |
publisher |
Zenodo |
publishDate |
2004 |
url |
https://doi.org/10.5281/zenodo.5621928 http://treatment.plazi.org/id/422787BBFFEEE4533F676D0EFB18FB0D |
genre |
Iceland Northeast Atlantic |
genre_facet |
Iceland Northeast Atlantic |
op_source |
Tanaidacea (Crustacea) of the Northeast Atlantic: nonfiliform species of Anarthruridae Lang from the Atlantic Margin, pp. 1-44 in Zootaxa, 471, 21, (2004-12-31) |
op_relation |
https://doi.org/10.5281/zenodo.157876 http://publication.plazi.org/id/BE1EFFC3FFFAE4473E6F6C12FFF2FFB3 https://sibils.text-analytics.ch/search/collections/plazi/422787BBFFEEE4533F676D0EFB18FB0D https://www.gbif.org/species/119600801 https://www.checklistbank.org/dataset/41842/taxon/422787BBFFEEE4533F676D0EFB18FB0D.taxon http://zoobank.org/6B9E9090-603A-4A51-8A07-84FC54F9FE17 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5621927 https://doi.org/10.5281/zenodo.5621928 oai:zenodo.org:5621928 http://treatment.plazi.org/id/422787BBFFEEE4533F676D0EFB18FB0D |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.562192810.5281/zenodo.15787610.5281/zenodo.5621927 |
_version_ |
1810452164333535232 |