Magnella extensa Dall 1881
Magnella extensa (Dall, 1881) (Figs. 24–26) Pleurotoma ( Bela ) blakeana extensa Dall, 1881: 55: Dall (1889: 126, pl. 10, fig. 2); Pleurotomella extensa (Dall, 1881): Abbott (1974: 290, ind. 3452); Gymnobela extensa (Dall, 1881): Absalão et al . (2005: 33, fig. 92); Rios (2009: 350, species 908); Pl...
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ftzenodo:oai:zenodo.org:5632969 2024-09-15T18:26:25+00:00 Magnella extensa Dall 1881 Figueira, Raquel Medeiros Andrade Absalão, Ricardo Silva 2012-12-31 https://doi.org/10.5281/zenodo.5632969 http://treatment.plazi.org/id/8E7187D88E31674947C0E019FF106E6B unknown Zenodo https://doi.org/10.5281/zenodo.210977 http://publication.plazi.org/id/7248FFA08E3F67464757E670FFE66D37 https://sibils.text-analytics.ch/search/collections/plazi/8E7187D88E31674947C0E019FF106E6B https://doi.org/10.5281/zenodo.210980 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5632968 https://doi.org/10.5281/zenodo.5632969 oai:zenodo.org:5632969 http://treatment.plazi.org/id/8E7187D88E31674947C0E019FF106E6B info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil, pp. 1-27 in Zootaxa, 3527, 15-16, (2012-12-31) Biodiversity Taxonomy Animalia Mollusca Gastropoda Neogastropoda Raphitomidae Magnella Magnella extensa info:eu-repo/semantics/other 2012 ftzenodo https://doi.org/10.5281/zenodo.563296910.5281/zenodo.21097710.5281/zenodo.21098010.5281/zenodo.5632968 2024-07-26T02:49:40Z Magnella extensa (Dall, 1881) (Figs. 24–26) Pleurotoma ( Bela ) blakeana extensa Dall, 1881: 55: Dall (1889: 126, pl. 10, fig. 2); Pleurotomella extensa (Dall, 1881): Abbott (1974: 290, ind. 3452); Gymnobela extensa (Dall, 1881): Absalão et al . (2005: 33, fig. 92); Rios (2009: 350, species 908); Pleurotoma ( Defrancia ) streptophora Watson, 1881: 464. Clathurella streptophora (Watson, 1881): Watson (1886: 356, pl. 19, fig. 8). Type material : Syntypes MCZ 7146, MCZ 7147, MCZ 7148. Type locality : Cape San Antonio, Cuba, 755–1170 m; Yucatan, Mexico, Blake sta. 35 (23º 52’N, 88º 58’W), 1470 m. Material examined : Type material and 18474 [1] OP II # 60; 18475 [1] OP II # 75; 18476 [2] OP II # 84; 18477 [1] OP II # 86; 18478 [1] OP I # 50A; 18479 [4] OP I # 75. Description : Shell oblong-biconical, white, up to 5.08 mm long. Protoconch with about 3.5 whorls. Protoconch 1 with spiral rows of tiny crosses. Protoconch 2 with diagonal cancellation on the lower 3/4 of the whorls, and axial riblets crossed by very fine and faint spiral threads on the upper fourth. Clear-cut prototeleoconch boundary. Teleoconch with a strong subsutural spiral cord and another strong spiral cord on the upper half of the whorls. Axial sculpture consists of 14–16 axial ribs (on the fourth whorl), forming pointed nodules where they cross the spiral cords. Axial ribs extend over base. Shell surface with granules aligned spirally. Suture well marked. Base short, with nine weak spiral cordlets. Anal sinus not discernible. Outer lip relatively thick. Anterior siphonal canal oblique, very short and wide. Aperture elliptical. Geographic distribution : Northwest Atlantic: Cuba (Dall, 1881; Dall, 1889). Southwest Atlantic: Bahia, Espírito Santo and Rio de Janeiro (Absalão et al ., 2005); Campos Basin, Rio de Janeiro (this paper). Bathymetry : 450–2076 m (Absalão et al ., 2005). Discussion : Our material matches well with the original illustration of the species (Dall, 1889: pl. 10, fig. 2). When compared directly with the syntype (fig. 24), our ... Other/Unknown Material Northwest Atlantic Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Mollusca Gastropoda Neogastropoda Raphitomidae Magnella Magnella extensa |
spellingShingle |
Biodiversity Taxonomy Animalia Mollusca Gastropoda Neogastropoda Raphitomidae Magnella Magnella extensa Figueira, Raquel Medeiros Andrade Absalão, Ricardo Silva Magnella extensa Dall 1881 |
topic_facet |
Biodiversity Taxonomy Animalia Mollusca Gastropoda Neogastropoda Raphitomidae Magnella Magnella extensa |
description |
Magnella extensa (Dall, 1881) (Figs. 24–26) Pleurotoma ( Bela ) blakeana extensa Dall, 1881: 55: Dall (1889: 126, pl. 10, fig. 2); Pleurotomella extensa (Dall, 1881): Abbott (1974: 290, ind. 3452); Gymnobela extensa (Dall, 1881): Absalão et al . (2005: 33, fig. 92); Rios (2009: 350, species 908); Pleurotoma ( Defrancia ) streptophora Watson, 1881: 464. Clathurella streptophora (Watson, 1881): Watson (1886: 356, pl. 19, fig. 8). Type material : Syntypes MCZ 7146, MCZ 7147, MCZ 7148. Type locality : Cape San Antonio, Cuba, 755–1170 m; Yucatan, Mexico, Blake sta. 35 (23º 52’N, 88º 58’W), 1470 m. Material examined : Type material and 18474 [1] OP II # 60; 18475 [1] OP II # 75; 18476 [2] OP II # 84; 18477 [1] OP II # 86; 18478 [1] OP I # 50A; 18479 [4] OP I # 75. Description : Shell oblong-biconical, white, up to 5.08 mm long. Protoconch with about 3.5 whorls. Protoconch 1 with spiral rows of tiny crosses. Protoconch 2 with diagonal cancellation on the lower 3/4 of the whorls, and axial riblets crossed by very fine and faint spiral threads on the upper fourth. Clear-cut prototeleoconch boundary. Teleoconch with a strong subsutural spiral cord and another strong spiral cord on the upper half of the whorls. Axial sculpture consists of 14–16 axial ribs (on the fourth whorl), forming pointed nodules where they cross the spiral cords. Axial ribs extend over base. Shell surface with granules aligned spirally. Suture well marked. Base short, with nine weak spiral cordlets. Anal sinus not discernible. Outer lip relatively thick. Anterior siphonal canal oblique, very short and wide. Aperture elliptical. Geographic distribution : Northwest Atlantic: Cuba (Dall, 1881; Dall, 1889). Southwest Atlantic: Bahia, Espírito Santo and Rio de Janeiro (Absalão et al ., 2005); Campos Basin, Rio de Janeiro (this paper). Bathymetry : 450–2076 m (Absalão et al ., 2005). Discussion : Our material matches well with the original illustration of the species (Dall, 1889: pl. 10, fig. 2). When compared directly with the syntype (fig. 24), our ... |
format |
Other/Unknown Material |
author |
Figueira, Raquel Medeiros Andrade Absalão, Ricardo Silva |
author_facet |
Figueira, Raquel Medeiros Andrade Absalão, Ricardo Silva |
author_sort |
Figueira, Raquel Medeiros Andrade |
title |
Magnella extensa Dall 1881 |
title_short |
Magnella extensa Dall 1881 |
title_full |
Magnella extensa Dall 1881 |
title_fullStr |
Magnella extensa Dall 1881 |
title_full_unstemmed |
Magnella extensa Dall 1881 |
title_sort |
magnella extensa dall 1881 |
publisher |
Zenodo |
publishDate |
2012 |
url |
https://doi.org/10.5281/zenodo.5632969 http://treatment.plazi.org/id/8E7187D88E31674947C0E019FF106E6B |
genre |
Northwest Atlantic |
genre_facet |
Northwest Atlantic |
op_source |
Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil, pp. 1-27 in Zootaxa, 3527, 15-16, (2012-12-31) |
op_relation |
https://doi.org/10.5281/zenodo.210977 http://publication.plazi.org/id/7248FFA08E3F67464757E670FFE66D37 https://sibils.text-analytics.ch/search/collections/plazi/8E7187D88E31674947C0E019FF106E6B https://doi.org/10.5281/zenodo.210980 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5632968 https://doi.org/10.5281/zenodo.5632969 oai:zenodo.org:5632969 http://treatment.plazi.org/id/8E7187D88E31674947C0E019FF106E6B |
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.563296910.5281/zenodo.21097710.5281/zenodo.21098010.5281/zenodo.5632968 |
_version_ |
1810466903178608640 |