Stelletta ovalae Tanita 1965
Stelletta ovalae Tanita 1965 (Fig. 2) Material examined. ZSM 20140112, specimen in ethanol, collected by Robert Stone with a camera array towed from the FV Sea Storm 8 August 2012, 177 m depth, 4 km NNE of Bishop Point, Unalaska Island, eastern Aleutian Islands, Bering Sea (54°00.499” N, 166°56.136”...
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Online Access: | https://doi.org/10.5281/zenodo.5690533 http://treatment.plazi.org/id/03F087A0FFCDFF8F248EFD90FB5571EA |
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ftzenodo:oai:zenodo.org:5690533 2024-09-15T17:59:41+00:00 Stelletta ovalae Tanita 1965 Lehnert, Helmut Stone, Robert P. 2014-12-31 https://doi.org/10.5281/zenodo.5690533 http://treatment.plazi.org/id/03F087A0FFCDFF8F248EFD90FB5571EA unknown Zenodo https://doi.org/10.11646/zootaxa.3826.2.4 http://zenodo.org/record/230036 http://publication.plazi.org/id/FFC9FFD8FFCFFF8D2419FFA7F95F7461 https://sibils.text-analytics.ch/search/collections/plazi/03F087A0FFCDFF8F248EFD90FB5571EA https://doi.org/10.5281/zenodo.230039 http://zoobank.org/B70EC0BF-310D-43A6-90F1-7124BF39294D https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5690532 https://doi.org/10.5281/zenodo.5690533 oai:zenodo.org:5690533 http://treatment.plazi.org/id/03F087A0FFCDFF8F248EFD90FB5571EA info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina, pp. 341-355 in Zootaxa, 3826(2), 343, (2014-12-31) Biodiversity Taxonomy Animalia Porifera Demospongiae Astrophorida Ancorinidae Stelletta Stelletta ovalae info:eu-repo/semantics/other 2014 ftzenodo https://doi.org/10.5281/zenodo.569053310.11646/zootaxa.3826.2.410.5281/zenodo.23003910.5281/zenodo.5690532 2024-07-26T20:15:01Z Stelletta ovalae Tanita 1965 (Fig. 2) Material examined. ZSM 20140112, specimen in ethanol, collected by Robert Stone with a camera array towed from the FV Sea Storm 8 August 2012, 177 m depth, 4 km NNE of Bishop Point, Unalaska Island, eastern Aleutian Islands, Bering Sea (54°00.499” N, 166°56.136” W). Attached to a large cobble. Bottom water temperature = 4.2 °C. Description. Globular, in life and in ethanol creamy white sponge (32 mm x 29 mm x 28 mm) with a strongly hispid surface due to long spicules, protruding up to 13 mm above the surface (Fig. 2A, right). Spicules and spicule mat are light brown in color possibly due to sediment and biofoulants (Fig. 2A). A large patch of the upper surface is without protruding spicules (Fig. 2A), probably lost due to abrasion during collection. Consistency is hard, there are no oscules or surface pores visible. Conical, polyspicular tracts of triaenes and oxeas start with the narrow end in the choanosome, getting broader towards the surface. They protrude through the cortex and reach above the surface with the clads of the triaenes facing out. The cortex appears brown under the microscope and is a thin membrane, 15–40 µm in diameter with oxyasters distributed within the membrane. Spicules consist of dichotriaenes, straight rhabds, 4500–5600 x 180–230 µm, clads 380–525 x 180–225 µm per ray; long oxeas 8000–10,500 x 18–38 µm, large oxyasters with conical, blunt rays 18–24 µm in diameter and small oxyasters, 9–12 µm in diameter. The basal part of the sponge with long, thin anatriaenes among the protruding spicules, rhabds, 2300– 6400 x 40 –70 µm, clads 35–78 x 34 –56 µm. Discussion. Tanita 1965 reported only one category of oxyasters, 14–18 µm in diameter but Tanita & Hoshino 1989 report two categories, 20–25 µm and 10 µm in diameter. The description and measurements of Tanita & Hoshino, 1989 fit very well to the specimen we describe here (Table 1). This species was previously known only from the Sea of Japan at a depth of 70 m. This is the first record of the ... Other/Unknown Material Bering Sea Aleutian Islands Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Porifera Demospongiae Astrophorida Ancorinidae Stelletta Stelletta ovalae |
spellingShingle |
Biodiversity Taxonomy Animalia Porifera Demospongiae Astrophorida Ancorinidae Stelletta Stelletta ovalae Lehnert, Helmut Stone, Robert P. Stelletta ovalae Tanita 1965 |
topic_facet |
Biodiversity Taxonomy Animalia Porifera Demospongiae Astrophorida Ancorinidae Stelletta Stelletta ovalae |
description |
Stelletta ovalae Tanita 1965 (Fig. 2) Material examined. ZSM 20140112, specimen in ethanol, collected by Robert Stone with a camera array towed from the FV Sea Storm 8 August 2012, 177 m depth, 4 km NNE of Bishop Point, Unalaska Island, eastern Aleutian Islands, Bering Sea (54°00.499” N, 166°56.136” W). Attached to a large cobble. Bottom water temperature = 4.2 °C. Description. Globular, in life and in ethanol creamy white sponge (32 mm x 29 mm x 28 mm) with a strongly hispid surface due to long spicules, protruding up to 13 mm above the surface (Fig. 2A, right). Spicules and spicule mat are light brown in color possibly due to sediment and biofoulants (Fig. 2A). A large patch of the upper surface is without protruding spicules (Fig. 2A), probably lost due to abrasion during collection. Consistency is hard, there are no oscules or surface pores visible. Conical, polyspicular tracts of triaenes and oxeas start with the narrow end in the choanosome, getting broader towards the surface. They protrude through the cortex and reach above the surface with the clads of the triaenes facing out. The cortex appears brown under the microscope and is a thin membrane, 15–40 µm in diameter with oxyasters distributed within the membrane. Spicules consist of dichotriaenes, straight rhabds, 4500–5600 x 180–230 µm, clads 380–525 x 180–225 µm per ray; long oxeas 8000–10,500 x 18–38 µm, large oxyasters with conical, blunt rays 18–24 µm in diameter and small oxyasters, 9–12 µm in diameter. The basal part of the sponge with long, thin anatriaenes among the protruding spicules, rhabds, 2300– 6400 x 40 –70 µm, clads 35–78 x 34 –56 µm. Discussion. Tanita 1965 reported only one category of oxyasters, 14–18 µm in diameter but Tanita & Hoshino 1989 report two categories, 20–25 µm and 10 µm in diameter. The description and measurements of Tanita & Hoshino, 1989 fit very well to the specimen we describe here (Table 1). This species was previously known only from the Sea of Japan at a depth of 70 m. This is the first record of the ... |
format |
Other/Unknown Material |
author |
Lehnert, Helmut Stone, Robert P. |
author_facet |
Lehnert, Helmut Stone, Robert P. |
author_sort |
Lehnert, Helmut |
title |
Stelletta ovalae Tanita 1965 |
title_short |
Stelletta ovalae Tanita 1965 |
title_full |
Stelletta ovalae Tanita 1965 |
title_fullStr |
Stelletta ovalae Tanita 1965 |
title_full_unstemmed |
Stelletta ovalae Tanita 1965 |
title_sort |
stelletta ovalae tanita 1965 |
publisher |
Zenodo |
publishDate |
2014 |
url |
https://doi.org/10.5281/zenodo.5690533 http://treatment.plazi.org/id/03F087A0FFCDFF8F248EFD90FB5571EA |
genre |
Bering Sea Aleutian Islands |
genre_facet |
Bering Sea Aleutian Islands |
op_source |
Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina, pp. 341-355 in Zootaxa, 3826(2), 343, (2014-12-31) |
op_relation |
https://doi.org/10.11646/zootaxa.3826.2.4 http://zenodo.org/record/230036 http://publication.plazi.org/id/FFC9FFD8FFCFFF8D2419FFA7F95F7461 https://sibils.text-analytics.ch/search/collections/plazi/03F087A0FFCDFF8F248EFD90FB5571EA https://doi.org/10.5281/zenodo.230039 http://zoobank.org/B70EC0BF-310D-43A6-90F1-7124BF39294D https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5690532 https://doi.org/10.5281/zenodo.5690533 oai:zenodo.org:5690533 http://treatment.plazi.org/id/03F087A0FFCDFF8F248EFD90FB5571EA |
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.569053310.11646/zootaxa.3826.2.410.5281/zenodo.23003910.5281/zenodo.5690532 |
_version_ |
1810436787744538624 |