Ultimachelium Lowry & Stoddart 2012, gen. nov.
Ultimachelium gen. nov. Type species. Ultimachelium tac sp. nov. Etymology. The generic name is contrived. Diagnostic description. Body shape slender. Head lateral cephalic lobe large, broadly or narrowly rounded. Antenna 1 peduncular article 1 without posterodistal spine; accessory flagellum articl...
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ftzenodo:oai:zenodo.org:5251320 2023-06-06T11:46:29+02:00 Ultimachelium Lowry & Stoddart 2012, gen. nov. Lowry, J. K. Stoddart, H. E. 2012-03-23 https://zenodo.org/record/5251320 https://doi.org/10.5281/zenodo.5251320 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/456087D33618FFB4B8DF089FFB43495E doi:10.11646/zootaxa.3246.1.1 http://zenodo.org/record/5249007 http://publication.plazi.org/id/B959FFAB3625FF89B848092DFF814D73 doi:10.5281/zenodo.5251319 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5251320 https://doi.org/10.5281/zenodo.5251320 oai:zenodo.org:5251320 info:eu-repo/semantics/openAccess The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, pp. 1-69 in Zootaxa 3246(1) 62 Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Pakynidae Ultimachelium info:eu-repo/semantics/other publication-taxonomictreatment 2012 ftzenodo https://doi.org/10.5281/zenodo.525132010.11646/zootaxa.3246.1.110.5281/zenodo.5251319 2023-04-13T21:11:39Z Ultimachelium gen. nov. Type species. Ultimachelium tac sp. nov. Etymology. The generic name is contrived. Diagnostic description. Body shape slender. Head lateral cephalic lobe large, broadly or narrowly rounded. Antenna 1 peduncular article 1 without posterodistal spine; accessory flagellum article 1 long; flagellum with callynophore in female. Mandible with accessory setal row absent; left lamina dentata absent; palp attached distally; palp article 2 broad, article 3 with subparallel margins or tapered distally. Maxilla 1 outer plate setal-teeth smooth, at least one inner row setal-tooth absent; palp absent. Maxilliped inner plate absent; outer plate medium size; palp 4-articulate, article 4 large. Gnathopod 1 ischium slightly smaller than, subequal to or larger than propodus; corner of palm without robust seta. Gnathopod 2 palm obtuse. Epimeron 3 posteroventral corner projecting, narrowly rounded. Uropod 3 biramous. Species composition. Ultimachelium contains four species: U. barnardi (Alonso de Pina, 1993); U. nichollsi (Lowry, 1984); U. schellenbergi (Lowry, 1984); U. tac sp. nov. Remarks. Species in Ultimachelium were previously assigned to Pachychelium. In our view the old concept of Pachychelium is a complex of three genera: Pachychelium in the North Atlantic and North Pacific with one species in the deep-water tropics of north-eastern Australia; Smaraldia, a monotypic genus currently confined to southern temperate Australia; and Ultimachelium in southern South America and the Antarctic. Published as part of Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, pp. 1-69 in Zootaxa 3246 (1) on page 62, DOI:10.11646/zootaxa.3246.1.1, http://zenodo.org/record/5249007 Other/Unknown Material Antarc* Antarctic North Atlantic Zenodo Antarctic Lowry ENVELOPE(-64.150,-64.150,-84.550,-84.550) Pacific Pina ENVELOPE(6.797,6.797,62.685,62.685) Seta ENVELOPE(9.895,9.895,63.645,63.645) Tac ENVELOPE(-59.517,-59.517,-62.500,-62.500) The Antarctic |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Pakynidae Ultimachelium |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Pakynidae Ultimachelium Lowry, J. K. Stoddart, H. E. Ultimachelium Lowry & Stoddart 2012, gen. nov. |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Pakynidae Ultimachelium |
description |
Ultimachelium gen. nov. Type species. Ultimachelium tac sp. nov. Etymology. The generic name is contrived. Diagnostic description. Body shape slender. Head lateral cephalic lobe large, broadly or narrowly rounded. Antenna 1 peduncular article 1 without posterodistal spine; accessory flagellum article 1 long; flagellum with callynophore in female. Mandible with accessory setal row absent; left lamina dentata absent; palp attached distally; palp article 2 broad, article 3 with subparallel margins or tapered distally. Maxilla 1 outer plate setal-teeth smooth, at least one inner row setal-tooth absent; palp absent. Maxilliped inner plate absent; outer plate medium size; palp 4-articulate, article 4 large. Gnathopod 1 ischium slightly smaller than, subequal to or larger than propodus; corner of palm without robust seta. Gnathopod 2 palm obtuse. Epimeron 3 posteroventral corner projecting, narrowly rounded. Uropod 3 biramous. Species composition. Ultimachelium contains four species: U. barnardi (Alonso de Pina, 1993); U. nichollsi (Lowry, 1984); U. schellenbergi (Lowry, 1984); U. tac sp. nov. Remarks. Species in Ultimachelium were previously assigned to Pachychelium. In our view the old concept of Pachychelium is a complex of three genera: Pachychelium in the North Atlantic and North Pacific with one species in the deep-water tropics of north-eastern Australia; Smaraldia, a monotypic genus currently confined to southern temperate Australia; and Ultimachelium in southern South America and the Antarctic. Published as part of Lowry, J. K. & Stoddart, H. E., 2012, The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, pp. 1-69 in Zootaxa 3246 (1) on page 62, DOI:10.11646/zootaxa.3246.1.1, http://zenodo.org/record/5249007 |
format |
Other/Unknown Material |
author |
Lowry, J. K. Stoddart, H. E. |
author_facet |
Lowry, J. K. Stoddart, H. E. |
author_sort |
Lowry, J. K. |
title |
Ultimachelium Lowry & Stoddart 2012, gen. nov. |
title_short |
Ultimachelium Lowry & Stoddart 2012, gen. nov. |
title_full |
Ultimachelium Lowry & Stoddart 2012, gen. nov. |
title_fullStr |
Ultimachelium Lowry & Stoddart 2012, gen. nov. |
title_full_unstemmed |
Ultimachelium Lowry & Stoddart 2012, gen. nov. |
title_sort |
ultimachelium lowry & stoddart 2012, gen. nov. |
publishDate |
2012 |
url |
https://zenodo.org/record/5251320 https://doi.org/10.5281/zenodo.5251320 |
long_lat |
ENVELOPE(-64.150,-64.150,-84.550,-84.550) ENVELOPE(6.797,6.797,62.685,62.685) ENVELOPE(9.895,9.895,63.645,63.645) ENVELOPE(-59.517,-59.517,-62.500,-62.500) |
geographic |
Antarctic Lowry Pacific Pina Seta Tac The Antarctic |
geographic_facet |
Antarctic Lowry Pacific Pina Seta Tac The Antarctic |
genre |
Antarc* Antarctic North Atlantic |
genre_facet |
Antarc* Antarctic North Atlantic |
op_source |
The Pachynidae fam. nov. (Crustacea: Amphipoda: Lysianassoidea) 3246, pp. 1-69 in Zootaxa 3246(1) 62 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/456087D33618FFB4B8DF089FFB43495E doi:10.11646/zootaxa.3246.1.1 http://zenodo.org/record/5249007 http://publication.plazi.org/id/B959FFAB3625FF89B848092DFF814D73 doi:10.5281/zenodo.5251319 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5251320 https://doi.org/10.5281/zenodo.5251320 oai:zenodo.org:5251320 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.525132010.11646/zootaxa.3246.1.110.5281/zenodo.5251319 |
_version_ |
1767951819523227648 |