Planicirrata Nygren, 2004, gen. n.
Planicirrata gen. n. Linnean name definition. Type species Myrianida proceraeae HartmannSchröder & Rosenfeldt, 1990. PhyloCode definition. No name definition provided. Apomorphies. Supported by 3 morphological apomorphies (Fig. 4): 1) cirrostyles flattened (character 15), character state change...
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ftzenodo:oai:zenodo.org:6273226 2023-05-15T13:55:25+02:00 Planicirrata Nygren, 2004, gen. n. Nygren, Arne 2004-12-31 https://zenodo.org/record/6273226 https://doi.org/10.5281/zenodo.6273226 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03CDB626CC124E46FEE879BD8B0E8695 doi:10.5281/zenodo.157809 http://publication.plazi.org/id/FFF4CE5ECC774E20FFE07D31881E806B doi:10.5281/zenodo.157813 http://zoobank.org/471A4E52-4C92-44F8-AB38-CD03071C0067 doi:10.5281/zenodo.6273225 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6273226 https://doi.org/10.5281/zenodo.6273226 oai:zenodo.org:6273226 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Revision of Autolytinae (Syllidae: Polychaeta)., pp. 1-314 in Zootaxa 680 102-103 Biodiversity Taxonomy Animalia Annelida Polychaeta Phyllodocida Syllidae Planicirrata info:eu-repo/semantics/other publication-taxonomictreatment 2004 ftzenodo https://doi.org/10.5281/zenodo.627322610.5281/zenodo.15780910.5281/zenodo.15781310.5281/zenodo.6273225 2023-03-10T18:14:02Z Planicirrata gen. n. Linnean name definition. Type species Myrianida proceraeae HartmannSchröder & Rosenfeldt, 1990. PhyloCode definition. No name definition provided. Apomorphies. Supported by 3 morphological apomorphies (Fig. 4): 1) cirrostyles flattened (character 15), character state change is a parallelism; 2) pharynx sinuation with several sinuations (character 39), character state change is a parallelism; 3) number of rows of muscle cells equals 41–50 (character 48), character state change is a parallelism. Etymology. Plani is latin, meaning flat. Named for its flattened cirrostyles. Planicirrata proceraeae (HartmannSchröder & Rosenfeldt, 1990) comb. n. (Fig. 46 A–G) Myrianida proceraeae HartmannSchröder & Rosenfeldt, 1990: 100 –101, figs 1–3; 1992: 104. Material examined. Antarctic: holotype, ZMH 19924, Elephant Island, 60 ° 51.3 'S, 55 ° 45.6 'W, 290 m, stones, 26 Feb 1985. Diagnosis. Procerini with flattened lanceolate cirrostyles. Description. Holotype complete, length 14 mm for 90 chaetigers, width 1.4 mm at level of proventricle. Preserved material yellowish, without colour markings; eyes reddish orange. Body shape, excluding parapodial lobes, cylindrical in transection, stout (Fig. 46 A), venter flattened. Body distinctly thicker in anterior 20 chaetigers. Ciliation not possible to assess. There is an indication of a stolon head behind chaetiger 13, with 3 minutely developing antennae (Fig. 46 B). Prostomium rounded rectangular, wider than long. Four eyes, with lenses, present in trapezoid arrangement, anterior pair larger. Eyes separated; eye spots absent. Palps small, in dorsal view projecting 1 / 5 of prostomial length (Fig. 46 A), fused. Nuchal epaulettes reaching end of tentacular segment. Antennae as well as ventral tentacular cirri and first dorsal cirri lost. Dorsal tentacular cirri reaching chaetiger 3. Alternation in direction of cirri not assessed. Dorsal cirri on anterior 10 chaetigers lost, all other cirri equal in length (Fig. 46 C), c. 1 / 8 of body width. Indistinct ... Other/Unknown Material Antarc* Antarctic Elephant Island Zenodo Antarctic Elephant Island ENVELOPE(-55.184,-55.184,-61.085,-61.085) Nygren ENVELOPE(-58.222,-58.222,-64.385,-64.385) |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Annelida Polychaeta Phyllodocida Syllidae Planicirrata |
spellingShingle |
Biodiversity Taxonomy Animalia Annelida Polychaeta Phyllodocida Syllidae Planicirrata Nygren, Arne Planicirrata Nygren, 2004, gen. n. |
topic_facet |
Biodiversity Taxonomy Animalia Annelida Polychaeta Phyllodocida Syllidae Planicirrata |
description |
Planicirrata gen. n. Linnean name definition. Type species Myrianida proceraeae HartmannSchröder & Rosenfeldt, 1990. PhyloCode definition. No name definition provided. Apomorphies. Supported by 3 morphological apomorphies (Fig. 4): 1) cirrostyles flattened (character 15), character state change is a parallelism; 2) pharynx sinuation with several sinuations (character 39), character state change is a parallelism; 3) number of rows of muscle cells equals 41–50 (character 48), character state change is a parallelism. Etymology. Plani is latin, meaning flat. Named for its flattened cirrostyles. Planicirrata proceraeae (HartmannSchröder & Rosenfeldt, 1990) comb. n. (Fig. 46 A–G) Myrianida proceraeae HartmannSchröder & Rosenfeldt, 1990: 100 –101, figs 1–3; 1992: 104. Material examined. Antarctic: holotype, ZMH 19924, Elephant Island, 60 ° 51.3 'S, 55 ° 45.6 'W, 290 m, stones, 26 Feb 1985. Diagnosis. Procerini with flattened lanceolate cirrostyles. Description. Holotype complete, length 14 mm for 90 chaetigers, width 1.4 mm at level of proventricle. Preserved material yellowish, without colour markings; eyes reddish orange. Body shape, excluding parapodial lobes, cylindrical in transection, stout (Fig. 46 A), venter flattened. Body distinctly thicker in anterior 20 chaetigers. Ciliation not possible to assess. There is an indication of a stolon head behind chaetiger 13, with 3 minutely developing antennae (Fig. 46 B). Prostomium rounded rectangular, wider than long. Four eyes, with lenses, present in trapezoid arrangement, anterior pair larger. Eyes separated; eye spots absent. Palps small, in dorsal view projecting 1 / 5 of prostomial length (Fig. 46 A), fused. Nuchal epaulettes reaching end of tentacular segment. Antennae as well as ventral tentacular cirri and first dorsal cirri lost. Dorsal tentacular cirri reaching chaetiger 3. Alternation in direction of cirri not assessed. Dorsal cirri on anterior 10 chaetigers lost, all other cirri equal in length (Fig. 46 C), c. 1 / 8 of body width. Indistinct ... |
format |
Other/Unknown Material |
author |
Nygren, Arne |
author_facet |
Nygren, Arne |
author_sort |
Nygren, Arne |
title |
Planicirrata Nygren, 2004, gen. n. |
title_short |
Planicirrata Nygren, 2004, gen. n. |
title_full |
Planicirrata Nygren, 2004, gen. n. |
title_fullStr |
Planicirrata Nygren, 2004, gen. n. |
title_full_unstemmed |
Planicirrata Nygren, 2004, gen. n. |
title_sort |
planicirrata nygren, 2004, gen. n. |
publishDate |
2004 |
url |
https://zenodo.org/record/6273226 https://doi.org/10.5281/zenodo.6273226 |
long_lat |
ENVELOPE(-55.184,-55.184,-61.085,-61.085) ENVELOPE(-58.222,-58.222,-64.385,-64.385) |
geographic |
Antarctic Elephant Island Nygren |
geographic_facet |
Antarctic Elephant Island Nygren |
genre |
Antarc* Antarctic Elephant Island |
genre_facet |
Antarc* Antarctic Elephant Island |
op_source |
Revision of Autolytinae (Syllidae: Polychaeta)., pp. 1-314 in Zootaxa 680 102-103 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03CDB626CC124E46FEE879BD8B0E8695 doi:10.5281/zenodo.157809 http://publication.plazi.org/id/FFF4CE5ECC774E20FFE07D31881E806B doi:10.5281/zenodo.157813 http://zoobank.org/471A4E52-4C92-44F8-AB38-CD03071C0067 doi:10.5281/zenodo.6273225 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6273226 https://doi.org/10.5281/zenodo.6273226 oai:zenodo.org:6273226 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.627322610.5281/zenodo.15780910.5281/zenodo.15781310.5281/zenodo.6273225 |
_version_ |
1766262019137208320 |