Scytophorus Hertwig 1882
GENUS SCYTOPHORUS HERTWIG, 1882 Diagnosis (after Carlgren, 1949; modifications in italics). Halcampoididae with elongate body and flat aboral end. Column indistinctly divisible into scapus and scapulus. Cuticle developed chiefly on scapus, with modified weak tenaculi more or less visible to the nake...
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Online Access: | https://dx.doi.org/10.5281/zenodo.5752651 https://zenodo.org/record/5752651 |
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ftdatacite:10.5281/zenodo.5752651 2023-05-15T13:41:06+02:00 Scytophorus Hertwig 1882 Gusmão, Luciana C. Rodríguez, Estefanía 2021 https://dx.doi.org/10.5281/zenodo.5752651 https://zenodo.org/record/5752651 unknown Zenodo http://zenodo.org/record/5752621 http://publication.plazi.org/id/D55D9C65FFB9FFCDFF8FC136FFD4B21F http://zoobank.org/D000BAA9-51C4-46FE-AC9B-BB361B601FA2 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.1093/zoolinnean/zlaa176 http://zenodo.org/record/5752621 http://publication.plazi.org/id/D55D9C65FFB9FFCDFF8FC136FFD4B21F https://dx.doi.org/10.5281/zenodo.5752639 https://dx.doi.org/10.5281/zenodo.5752643 http://zoobank.org/D000BAA9-51C4-46FE-AC9B-BB361B601FA2 https://dx.doi.org/10.5281/zenodo.5752650 https://zenodo.org/communities/biosyslit Open Access info:eu-repo/semantics/openAccess Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Halcampoididae Scytophorus Taxonomic treatment article-journal Text ScholarlyArticle 2021 ftdatacite https://doi.org/10.5281/zenodo.5752651 https://doi.org/10.1093/zoolinnean/zlaa176 https://doi.org/10.5281/zenodo.5752639 https://doi.org/10.5281/zenodo.5752643 https://doi.org/10.5281/zenodo.5752650 2022-02-08T16:24:46Z GENUS SCYTOPHORUS HERTWIG, 1882 Diagnosis (after Carlgren, 1949; modifications in italics). Halcampoididae with elongate body and flat aboral end. Column indistinctly divisible into scapus and scapulus. Cuticle developed chiefly on scapus, with modified weak tenaculi more or less visible to the naked eye. No sphincter. Tentacles 14, with longitudinal muscles ectodermal. A single weak, ventral siphonoglyph without conchula. Mesenteries 14, six pairs plus one couple; individual mesenteries of couple with retractors faced towards dorsal pairs of directives, wherefore there is seemingly a single pair of directives. All mesenteries perfect, with retractors strong, restricted to kidneylike. Parietal muscles well developed. As a rule, all mesenteries fertile. Ciliate tracts of filaments may be discontinuous. Cnidom: spirocysts, basitrichs, p -mastigophores A . Type species: Scytophorus striatus by monotypy. Included species: Scytophorus antarcticus (Pfeffer, 1889) and S. striatus. Remarks: We modified the generic diagnosis by removing the mention of a physa-like structure in members of Scytophorus . Although Hertwig (1882) described S. striatus as lacking a pedal disc and with a round aboral end, all of the S. striatus specimens examined had a distinct flat aboral end (Figs 6C, 7A, F) as seen attached to solid substrates (Fig. 6A). Although most of the specimens of S. striatus observed had their distal column and oral disc contracted, when they are relaxed, the scapulus can be easily distinguished from the rest of the column (see Fig. 6D). We left in the diagnosis the presence of a weak siphonoglyph, but this structure was difficult to observe in dissections (Fig. 7G), histological sections or micro-CT scans (Fig. 7K), as noted by others (e.g. Carlgren, 1921). : Published as part of Gusmão, Luciana C. & Rodríguez, Estefanía, 2021, Two sea anemones (Cnidaria: Anthozoa: Actiniaria) from the Southern Ocean with evidence of a deep-sea, polar lineage of burrowing sea anemones, pp. 1392-1415 in Zoological Journal of the Linnean Society 193 on page 1402, DOI: 10.1093/zoolinnean/zlaa176, http://zenodo.org/record/5752621 : {"references": ["Hertwig R. 1882. Die actinien der challenger expedition. Jena: Gustav Fischer.", "Carlgren O. 1949. A survey of the Ptychodactiaria, Corallimorpharia and Actiniaria. Kungliga Svenska Vetenskapsakademiens Handlingar 1: 1 - 121.", "Pfeffer G. 1889. Zur Fauna von Sud-Georgien. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten 6: 39 - 55.", "Carlgren O. 1921. Actiniaria I. Danish Ingolf-Expedition 5: 1 - 241."]} Text Antarc* antarcticus Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Southern Ocean Sud-Georgien ENVELOPE(-36.750,-36.750,-54.250,-54.250) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Halcampoididae Scytophorus |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Halcampoididae Scytophorus Gusmão, Luciana C. Rodríguez, Estefanía Scytophorus Hertwig 1882 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Halcampoididae Scytophorus |
description |
GENUS SCYTOPHORUS HERTWIG, 1882 Diagnosis (after Carlgren, 1949; modifications in italics). Halcampoididae with elongate body and flat aboral end. Column indistinctly divisible into scapus and scapulus. Cuticle developed chiefly on scapus, with modified weak tenaculi more or less visible to the naked eye. No sphincter. Tentacles 14, with longitudinal muscles ectodermal. A single weak, ventral siphonoglyph without conchula. Mesenteries 14, six pairs plus one couple; individual mesenteries of couple with retractors faced towards dorsal pairs of directives, wherefore there is seemingly a single pair of directives. All mesenteries perfect, with retractors strong, restricted to kidneylike. Parietal muscles well developed. As a rule, all mesenteries fertile. Ciliate tracts of filaments may be discontinuous. Cnidom: spirocysts, basitrichs, p -mastigophores A . Type species: Scytophorus striatus by monotypy. Included species: Scytophorus antarcticus (Pfeffer, 1889) and S. striatus. Remarks: We modified the generic diagnosis by removing the mention of a physa-like structure in members of Scytophorus . Although Hertwig (1882) described S. striatus as lacking a pedal disc and with a round aboral end, all of the S. striatus specimens examined had a distinct flat aboral end (Figs 6C, 7A, F) as seen attached to solid substrates (Fig. 6A). Although most of the specimens of S. striatus observed had their distal column and oral disc contracted, when they are relaxed, the scapulus can be easily distinguished from the rest of the column (see Fig. 6D). We left in the diagnosis the presence of a weak siphonoglyph, but this structure was difficult to observe in dissections (Fig. 7G), histological sections or micro-CT scans (Fig. 7K), as noted by others (e.g. Carlgren, 1921). : Published as part of Gusmão, Luciana C. & Rodríguez, Estefanía, 2021, Two sea anemones (Cnidaria: Anthozoa: Actiniaria) from the Southern Ocean with evidence of a deep-sea, polar lineage of burrowing sea anemones, pp. 1392-1415 in Zoological Journal of the Linnean Society 193 on page 1402, DOI: 10.1093/zoolinnean/zlaa176, http://zenodo.org/record/5752621 : {"references": ["Hertwig R. 1882. Die actinien der challenger expedition. Jena: Gustav Fischer.", "Carlgren O. 1949. A survey of the Ptychodactiaria, Corallimorpharia and Actiniaria. Kungliga Svenska Vetenskapsakademiens Handlingar 1: 1 - 121.", "Pfeffer G. 1889. Zur Fauna von Sud-Georgien. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten 6: 39 - 55.", "Carlgren O. 1921. Actiniaria I. Danish Ingolf-Expedition 5: 1 - 241."]} |
format |
Text |
author |
Gusmão, Luciana C. Rodríguez, Estefanía |
author_facet |
Gusmão, Luciana C. Rodríguez, Estefanía |
author_sort |
Gusmão, Luciana C. |
title |
Scytophorus Hertwig 1882 |
title_short |
Scytophorus Hertwig 1882 |
title_full |
Scytophorus Hertwig 1882 |
title_fullStr |
Scytophorus Hertwig 1882 |
title_full_unstemmed |
Scytophorus Hertwig 1882 |
title_sort |
scytophorus hertwig 1882 |
publisher |
Zenodo |
publishDate |
2021 |
url |
https://dx.doi.org/10.5281/zenodo.5752651 https://zenodo.org/record/5752651 |
long_lat |
ENVELOPE(-36.750,-36.750,-54.250,-54.250) |
geographic |
Southern Ocean Sud-Georgien |
geographic_facet |
Southern Ocean Sud-Georgien |
genre |
Antarc* antarcticus Southern Ocean |
genre_facet |
Antarc* antarcticus Southern Ocean |
op_relation |
http://zenodo.org/record/5752621 http://publication.plazi.org/id/D55D9C65FFB9FFCDFF8FC136FFD4B21F http://zoobank.org/D000BAA9-51C4-46FE-AC9B-BB361B601FA2 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.1093/zoolinnean/zlaa176 http://zenodo.org/record/5752621 http://publication.plazi.org/id/D55D9C65FFB9FFCDFF8FC136FFD4B21F https://dx.doi.org/10.5281/zenodo.5752639 https://dx.doi.org/10.5281/zenodo.5752643 http://zoobank.org/D000BAA9-51C4-46FE-AC9B-BB361B601FA2 https://dx.doi.org/10.5281/zenodo.5752650 https://zenodo.org/communities/biosyslit |
op_rights |
Open Access info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.5752651 https://doi.org/10.1093/zoolinnean/zlaa176 https://doi.org/10.5281/zenodo.5752639 https://doi.org/10.5281/zenodo.5752643 https://doi.org/10.5281/zenodo.5752650 |
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