Polymastia rara Koltun 1966
Polymastia rara Koltun, 1966 (Figure 7 (a – g)) Polymastia mamillaris rara Koltun: 1966, p. 70 – 72, fig. 41; pl. XXIX, fig 6 Description (Figure 7 (b)). Flattened, roundish body of more or less disc-shaped form, firmly attached to substrate (represented by shells and stones) by its basal part. Dime...
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2019
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Online Access: | https://dx.doi.org/10.5281/zenodo.3664847 https://zenodo.org/record/3664847 |
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DataCite Metadata Store (German National Library of Science and Technology) |
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unknown |
topic |
Biodiversity Taxonomy Animalia Porifera Demospongiae Hadromerida Polymastiidae Polymastia Polymastia rara |
spellingShingle |
Biodiversity Taxonomy Animalia Porifera Demospongiae Hadromerida Polymastiidae Polymastia Polymastia rara Morozov, Grigori Sabirov, Rushan Zimina, Olga Polymastia rara Koltun 1966 |
topic_facet |
Biodiversity Taxonomy Animalia Porifera Demospongiae Hadromerida Polymastiidae Polymastia Polymastia rara |
description |
Polymastia rara Koltun, 1966 (Figure 7 (a – g)) Polymastia mamillaris rara Koltun: 1966, p. 70 – 72, fig. 41; pl. XXIX, fig 6 Description (Figure 7 (b)). Flattened, roundish body of more or less disc-shaped form, firmly attached to substrate (represented by shells and stones) by its basal part. Dimensions of about 2 cm in height and up to 4.5 cm in diameter. Surface provided with numerous cylindrical papillae from 2 mm to 1.6 cm in length. Among them, at the centre of the body, 1 – 2 rather large (up to 2 cm in height) conical exhalant papillae with oscula on the summits occur. The body relatively dense, cork-like in consistency. Surface is even. Sometimes the sponge possesses a fringe of extra-long spicules. The colour is beige. Skeleton (Figure 7 (a)). Main skeleton composed of thick radial bundles of large styles that extend from the base to the surface of the sponge, but usually do not cross the upper cortex. Skeleton of the cortex consists of two layers: the upper layer of small styles is arranged in palisade manner; this layer is underlain by disorderly intermediate styles. Spicules (Figure 7 (c – g)). Large, straight and fusiform styles, dimensions: 860 – 1350 – 1800 ( n = 30) × 17.2 – 24.4 – 30 ( n = 20) µm; intermediate styles, identical to the previous, except the dimensions: 349.3 – 478 – 620 ( n = 30) × 11.5 – 13.4 – 16.6 ( n = 20) µm; small styles (tylo- and subtylostyles), straight or slightly curved, dimensions: 127 – 169.6 – 253.2 ( n = 30) × 4.5 – 6.3 – 7.9 ( n = 20) µm; slender exotyles, slightly fusiform styles of the marginal fringe, up to 3 mm in length and about 11 µm in thickness. Distribution Near the east coasts of Kamchatka Peninsula and Kuril Islands, East Siberian Sea [north of New Siberian islands, st. A-74), Laptev Sea (st. L-19 (two species) and L-12 (one species)]. Depth range: 36 – 126 m. Remarks This is the first record of P. rara after Koltun (1966) described it based on two specimens collected in the Sea of Okhotsk. In addition to the differences in spicule composition, P. rara differed from the closely related P. grimaldii (Topsent 1913) by the structure of its cortex. In the case of P. grimaldii , it encompasses an additional middle layer of collagen fibres (Plotkin et al. 2017), which is absent in P. rara . : Published as part of Morozov, Grigori, Sabirov, Rushan & Zimina, Olga, 2019, Sponge fauna of the New Siberian Shoal: biodiversity and some features of formation, pp. 2961-2992 in Journal of Natural History 52 (47) on pages 2961-2992, DOI: 10.1080/00222933.2018.1554166, http://zenodo.org/record/3654165 : {"references": ["Koltun VM. 1966. Cit\u044b\u0440ik\u043buciv\u044bi gubki (ivi\u0440\u043d\u044bk i da\u043b\u044c\u043divo (toc\u043d\u044bk \u043co\u0440i\u0439 CCC\u0420 [Four rayed sponges (order Tetraxonida) of the Northern and Far-Eastern Seas of the USSR]. In: Bychowski BE, editor. Identifiers of the USSR fauna issued by the Zoological Institute of the Academy of Sciences of the USSR. Vol. 90 Russian. Moscow - Leningrad: Nauka, Academy of Sciences of the USSR; p. 1 - 112", "Topsent E. 1913. Spongiaires provenant des campagnes scientifiques de la ' Princesse Alice ' dans les Mers du Nord (1898 - 1899, 1906 - 1907). Resultats des Campagnes Scientifiques Accomplies par le Prince Albert I de Monaco. 45: 1 - 67. French.", "Plotkin A, Gerasimova E, Rapp HT. 2017. Polymastiidae (Porifera: Demospongiae) of the Nordic and Siberian Seas. J Marine Biol Assoc UK. 98 (6): 1 - 63."]} |
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Text |
author |
Morozov, Grigori Sabirov, Rushan Zimina, Olga |
author_facet |
Morozov, Grigori Sabirov, Rushan Zimina, Olga |
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Morozov, Grigori |
title |
Polymastia rara Koltun 1966 |
title_short |
Polymastia rara Koltun 1966 |
title_full |
Polymastia rara Koltun 1966 |
title_fullStr |
Polymastia rara Koltun 1966 |
title_full_unstemmed |
Polymastia rara Koltun 1966 |
title_sort |
polymastia rara koltun 1966 |
publisher |
Zenodo |
publishDate |
2019 |
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https://dx.doi.org/10.5281/zenodo.3664847 https://zenodo.org/record/3664847 |
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ENVELOPE(160.000,160.000,56.000,56.000) ENVELOPE(166.000,166.000,74.000,74.000) ENVELOPE(142.000,142.000,75.000,75.000) |
geographic |
Laptev Sea Okhotsk Kamchatka Peninsula East Siberian Sea New Siberian Islands |
geographic_facet |
Laptev Sea Okhotsk Kamchatka Peninsula East Siberian Sea New Siberian Islands |
genre |
East Siberian Sea Kamchatka Kamchatka Peninsula laptev Laptev Sea New Siberian Islands |
genre_facet |
East Siberian Sea Kamchatka Kamchatka Peninsula laptev Laptev Sea New Siberian Islands |
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Open Access info:eu-repo/semantics/openAccess |
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https://doi.org/10.5281/zenodo.3664847 https://doi.org/10.1080/00222933.2018.1554166 https://doi.org/10.5281/zenodo.3654195 https://doi.org/10.5281/zenodo.3664846 |
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ftdatacite:10.5281/zenodo.3664847 2023-05-15T16:04:00+02:00 Polymastia rara Koltun 1966 Morozov, Grigori Sabirov, Rushan Zimina, Olga 2019 https://dx.doi.org/10.5281/zenodo.3664847 https://zenodo.org/record/3664847 unknown Zenodo http://zenodo.org/record/3654165 http://publication.plazi.org/id/FF9BFFAAFC6C415C9A7AFFC33570355D http://zoobank.org/FA2EDE40-93E0-43B7-9ACF-ECCE12B0E671 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.1080/00222933.2018.1554166 http://zenodo.org/record/3654165 http://publication.plazi.org/id/FF9BFFAAFC6C415C9A7AFFC33570355D https://dx.doi.org/10.5281/zenodo.3654195 http://zoobank.org/FA2EDE40-93E0-43B7-9ACF-ECCE12B0E671 https://dx.doi.org/10.5281/zenodo.3664846 https://zenodo.org/communities/biosyslit Open Access info:eu-repo/semantics/openAccess Biodiversity Taxonomy Animalia Porifera Demospongiae Hadromerida Polymastiidae Polymastia Polymastia rara Taxonomic treatment article-journal Text ScholarlyArticle 2019 ftdatacite https://doi.org/10.5281/zenodo.3664847 https://doi.org/10.1080/00222933.2018.1554166 https://doi.org/10.5281/zenodo.3654195 https://doi.org/10.5281/zenodo.3664846 2022-02-08T13:25:49Z Polymastia rara Koltun, 1966 (Figure 7 (a – g)) Polymastia mamillaris rara Koltun: 1966, p. 70 – 72, fig. 41; pl. XXIX, fig 6 Description (Figure 7 (b)). Flattened, roundish body of more or less disc-shaped form, firmly attached to substrate (represented by shells and stones) by its basal part. Dimensions of about 2 cm in height and up to 4.5 cm in diameter. Surface provided with numerous cylindrical papillae from 2 mm to 1.6 cm in length. Among them, at the centre of the body, 1 – 2 rather large (up to 2 cm in height) conical exhalant papillae with oscula on the summits occur. The body relatively dense, cork-like in consistency. Surface is even. Sometimes the sponge possesses a fringe of extra-long spicules. The colour is beige. Skeleton (Figure 7 (a)). Main skeleton composed of thick radial bundles of large styles that extend from the base to the surface of the sponge, but usually do not cross the upper cortex. Skeleton of the cortex consists of two layers: the upper layer of small styles is arranged in palisade manner; this layer is underlain by disorderly intermediate styles. Spicules (Figure 7 (c – g)). Large, straight and fusiform styles, dimensions: 860 – 1350 – 1800 ( n = 30) × 17.2 – 24.4 – 30 ( n = 20) µm; intermediate styles, identical to the previous, except the dimensions: 349.3 – 478 – 620 ( n = 30) × 11.5 – 13.4 – 16.6 ( n = 20) µm; small styles (tylo- and subtylostyles), straight or slightly curved, dimensions: 127 – 169.6 – 253.2 ( n = 30) × 4.5 – 6.3 – 7.9 ( n = 20) µm; slender exotyles, slightly fusiform styles of the marginal fringe, up to 3 mm in length and about 11 µm in thickness. Distribution Near the east coasts of Kamchatka Peninsula and Kuril Islands, East Siberian Sea [north of New Siberian islands, st. A-74), Laptev Sea (st. L-19 (two species) and L-12 (one species)]. Depth range: 36 – 126 m. Remarks This is the first record of P. rara after Koltun (1966) described it based on two specimens collected in the Sea of Okhotsk. In addition to the differences in spicule composition, P. rara differed from the closely related P. grimaldii (Topsent 1913) by the structure of its cortex. In the case of P. grimaldii , it encompasses an additional middle layer of collagen fibres (Plotkin et al. 2017), which is absent in P. rara . : Published as part of Morozov, Grigori, Sabirov, Rushan & Zimina, Olga, 2019, Sponge fauna of the New Siberian Shoal: biodiversity and some features of formation, pp. 2961-2992 in Journal of Natural History 52 (47) on pages 2961-2992, DOI: 10.1080/00222933.2018.1554166, http://zenodo.org/record/3654165 : {"references": ["Koltun VM. 1966. Cit\u044b\u0440ik\u043buciv\u044bi gubki (ivi\u0440\u043d\u044bk i da\u043b\u044c\u043divo (toc\u043d\u044bk \u043co\u0440i\u0439 CCC\u0420 [Four rayed sponges (order Tetraxonida) of the Northern and Far-Eastern Seas of the USSR]. In: Bychowski BE, editor. Identifiers of the USSR fauna issued by the Zoological Institute of the Academy of Sciences of the USSR. Vol. 90 Russian. Moscow - Leningrad: Nauka, Academy of Sciences of the USSR; p. 1 - 112", "Topsent E. 1913. Spongiaires provenant des campagnes scientifiques de la ' Princesse Alice ' dans les Mers du Nord (1898 - 1899, 1906 - 1907). Resultats des Campagnes Scientifiques Accomplies par le Prince Albert I de Monaco. 45: 1 - 67. French.", "Plotkin A, Gerasimova E, Rapp HT. 2017. Polymastiidae (Porifera: Demospongiae) of the Nordic and Siberian Seas. J Marine Biol Assoc UK. 98 (6): 1 - 63."]} Text East Siberian Sea Kamchatka Kamchatka Peninsula laptev Laptev Sea New Siberian Islands DataCite Metadata Store (German National Library of Science and Technology) Laptev Sea Okhotsk Kamchatka Peninsula ENVELOPE(160.000,160.000,56.000,56.000) East Siberian Sea ENVELOPE(166.000,166.000,74.000,74.000) New Siberian Islands ENVELOPE(142.000,142.000,75.000,75.000) |