Rossella racovitzae Topsent 1901
Rossella racovitzae Topsent, 1901 (Fig. 10 A) Material examined: All from ANDEEP III Exped., Weddell Sea, Antarctica, SMF 10610a, and SMF 10610b, R.V. 'Polarstern', stn PS67/074-7, 20 Feb. 2005, 71°18.48'–18.40'S, 13°58.55'–58.14'W, 1055– 1047 m, ethanol; SMF 10705, R.V...
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Online Access: | https://doi.org/10.5281/zenodo.5611974 http://treatment.plazi.org/id/434A87A6FFA1FFC0FF53F9EBFE9F895C |
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ftzenodo:oai:zenodo.org:5611974 2024-09-15T17:40:43+00:00 Rossella racovitzae Topsent 1901 Janussen, Dorte Reiswig, Henry M. 2009-12-31 https://doi.org/10.5281/zenodo.5611974 http://treatment.plazi.org/id/434A87A6FFA1FFC0FF53F9EBFE9F895C unknown Zenodo https://doi.org/10.5281/zenodo.188483 http://publication.plazi.org/id/BF73FFDEFFB1FFD1FFC4FF83FFBC8B68 https://sibils.text-analytics.ch/search/collections/plazi/434A87A6FFA1FFC0FF53F9EBFE9F895C https://www.gbif.org/species/119620085 https://www.checklistbank.org/dataset/40849/taxon/434A87A6FFA1FFC0FF53F9EBFE9F895C.taxon https://doi.org/10.5281/zenodo.188492 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5611973 https://doi.org/10.5281/zenodo.5611974 oai:zenodo.org:5611974 http://treatment.plazi.org/id/434A87A6FFA1FFC0FF53F9EBFE9F895C info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica, pp. 1-20 in Zootaxa, 2136, 17, (2009-12-31) Biodiversity Taxonomy Animalia Porifera Hexactinellida Lyssacinosida Rossellidae Rossella Rossella racovitzae info:eu-repo/semantics/other 2009 ftzenodo https://doi.org/10.5281/zenodo.561197410.5281/zenodo.18848310.5281/zenodo.18849210.5281/zenodo.5611973 2024-07-25T11:29:29Z Rossella racovitzae Topsent, 1901 (Fig. 10 A) Material examined: All from ANDEEP III Exped., Weddell Sea, Antarctica, SMF 10610a, and SMF 10610b, R.V. 'Polarstern', stn PS67/074-7, 20 Feb. 2005, 71°18.48'–18.40'S, 13°58.55'–58.14'W, 1055– 1047 m, ethanol; SMF 10705, R.V. 'Polarstern', stn PS67/151-1, 20 Mar. 2005, 61°45.46'S, 47°07.57'W to 61°45.34'S, 47°07.78'W, 1181–1188 m, ethanol. Description and remarks: Four specimens of this species were collected on the ANDEEP III Expedition. The two from station PS67/074-7 are large barrels, 28.7 cm tall by 15.9 cm flattened diameter and 30.7 cm tall by 17.7 cm flattened diameter, with strong 6 mm-tall conules on outer surface and few prostalia emanating from the conule summits. The two specimens from station PS67/151-1 are a small conic tube, 54 mm tall by 22 mm upper diameter, and a small sac 52 mm tall by 34 mm maximal diameter, both with proportionately large prostalia projecting up to 32 mm from sides and oscular margins. Conules are not present on the small tubular form but very slight conules are evident on the small sac specimen. Although calycocomes are rare in these specimens, they agree in all morphologic features and other spicule details with the descriptions of the common Antarctic species, R. racovitzae by Topsent (1901, 1917), Burton (1929), Koltun (1976) and Barthel and Tendal (1994). Since the anisodiscohexasters have been generally poorly rendered in previous works, a first scanning electron micrograph of this spectacular spicule is provided (Fig. 10 A) for comparison with those of other rossellid sponges. This species has been reported from ANDEEP II and other recent collections from the Weddell Sea (Janussen et al. 2004). It is circumantarctic in distribution, occurring at depths of 20–2012 m. Published as part of Janussen, Dorte & Reiswig, Henry M., 2009, Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica, pp. 1-20 in Zootaxa 2136 on page 17, DOI: 10.5281/zenodo.188483 Other/Unknown Material Antarc* Antarctic Antarctica Weddell Sea Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Porifera Hexactinellida Lyssacinosida Rossellidae Rossella Rossella racovitzae |
spellingShingle |
Biodiversity Taxonomy Animalia Porifera Hexactinellida Lyssacinosida Rossellidae Rossella Rossella racovitzae Janussen, Dorte Reiswig, Henry M. Rossella racovitzae Topsent 1901 |
topic_facet |
Biodiversity Taxonomy Animalia Porifera Hexactinellida Lyssacinosida Rossellidae Rossella Rossella racovitzae |
description |
Rossella racovitzae Topsent, 1901 (Fig. 10 A) Material examined: All from ANDEEP III Exped., Weddell Sea, Antarctica, SMF 10610a, and SMF 10610b, R.V. 'Polarstern', stn PS67/074-7, 20 Feb. 2005, 71°18.48'–18.40'S, 13°58.55'–58.14'W, 1055– 1047 m, ethanol; SMF 10705, R.V. 'Polarstern', stn PS67/151-1, 20 Mar. 2005, 61°45.46'S, 47°07.57'W to 61°45.34'S, 47°07.78'W, 1181–1188 m, ethanol. Description and remarks: Four specimens of this species were collected on the ANDEEP III Expedition. The two from station PS67/074-7 are large barrels, 28.7 cm tall by 15.9 cm flattened diameter and 30.7 cm tall by 17.7 cm flattened diameter, with strong 6 mm-tall conules on outer surface and few prostalia emanating from the conule summits. The two specimens from station PS67/151-1 are a small conic tube, 54 mm tall by 22 mm upper diameter, and a small sac 52 mm tall by 34 mm maximal diameter, both with proportionately large prostalia projecting up to 32 mm from sides and oscular margins. Conules are not present on the small tubular form but very slight conules are evident on the small sac specimen. Although calycocomes are rare in these specimens, they agree in all morphologic features and other spicule details with the descriptions of the common Antarctic species, R. racovitzae by Topsent (1901, 1917), Burton (1929), Koltun (1976) and Barthel and Tendal (1994). Since the anisodiscohexasters have been generally poorly rendered in previous works, a first scanning electron micrograph of this spectacular spicule is provided (Fig. 10 A) for comparison with those of other rossellid sponges. This species has been reported from ANDEEP II and other recent collections from the Weddell Sea (Janussen et al. 2004). It is circumantarctic in distribution, occurring at depths of 20–2012 m. Published as part of Janussen, Dorte & Reiswig, Henry M., 2009, Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica, pp. 1-20 in Zootaxa 2136 on page 17, DOI: 10.5281/zenodo.188483 |
format |
Other/Unknown Material |
author |
Janussen, Dorte Reiswig, Henry M. |
author_facet |
Janussen, Dorte Reiswig, Henry M. |
author_sort |
Janussen, Dorte |
title |
Rossella racovitzae Topsent 1901 |
title_short |
Rossella racovitzae Topsent 1901 |
title_full |
Rossella racovitzae Topsent 1901 |
title_fullStr |
Rossella racovitzae Topsent 1901 |
title_full_unstemmed |
Rossella racovitzae Topsent 1901 |
title_sort |
rossella racovitzae topsent 1901 |
publisher |
Zenodo |
publishDate |
2009 |
url |
https://doi.org/10.5281/zenodo.5611974 http://treatment.plazi.org/id/434A87A6FFA1FFC0FF53F9EBFE9F895C |
genre |
Antarc* Antarctic Antarctica Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctica Weddell Sea |
op_source |
Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica, pp. 1-20 in Zootaxa, 2136, 17, (2009-12-31) |
op_relation |
https://doi.org/10.5281/zenodo.188483 http://publication.plazi.org/id/BF73FFDEFFB1FFD1FFC4FF83FFBC8B68 https://sibils.text-analytics.ch/search/collections/plazi/434A87A6FFA1FFC0FF53F9EBFE9F895C https://www.gbif.org/species/119620085 https://www.checklistbank.org/dataset/40849/taxon/434A87A6FFA1FFC0FF53F9EBFE9F895C.taxon https://doi.org/10.5281/zenodo.188492 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5611973 https://doi.org/10.5281/zenodo.5611974 oai:zenodo.org:5611974 http://treatment.plazi.org/id/434A87A6FFA1FFC0FF53F9EBFE9F895C |
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.561197410.5281/zenodo.18848310.5281/zenodo.18849210.5281/zenodo.5611973 |
_version_ |
1810486745525911552 |