Obelia longissima Pallas 1766
Obelia longissima (Pallas, 1766) Fig. 110 A–D See Schuchert (2001 a) for a complete synonymy. Material examined. HCUS-S 117 (Hydrozoa Collection, University of Salento—fauna of the Salento Peninsula)—polyp stage. Description (based on our own observations; Cornelius 1995; Schuchert 2001 a): Hydroid....
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Online Access: | https://dx.doi.org/10.5281/zenodo.6107216 https://zenodo.org/record/6107216 |
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DataCite Metadata Store (German National Library of Science and Technology) |
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unknown |
topic |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Campanulariidae Obelia Obelia longissima |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Campanulariidae Obelia Obelia longissima Gravili, Cinzia Vito, Doris De Camillo, Cristina Gioia Di Martell, Luis Piraino, Stefano Boero, Ferdinando Obelia longissima Pallas 1766 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Campanulariidae Obelia Obelia longissima |
description |
Obelia longissima (Pallas, 1766) Fig. 110 A–D See Schuchert (2001 a) for a complete synonymy. Material examined. HCUS-S 117 (Hydrozoa Collection, University of Salento—fauna of the Salento Peninsula)—polyp stage. Description (based on our own observations; Cornelius 1995; Schuchert 2001 a): Hydroid. Hydrorhiza as a mass of stolons from which hydrocauli arise; colonies erect, long and flexuose, up to 40 cm high; hydrocauli monosiphonic, with lateral and alternate branches, may be polysiphonic and forked in older colonies, internodes usually nearly straight, thickened in older portions of stem, annulated basally; hydrocladia also flexuose, usually branched in two at their origin, internodes long, in zigzag, ringed basally and below hydrotheca; hydrotheca elongate, bell-shaped, perisarc very thin, diaphragm transverse to oblique, borne alternately at the end of each internode on pedicels with about 6–10 annuli, rim shallow castellated or with shallow rounded cusps, slightly flared. Colours: main stem dark; nodes (but not the internodes) dark in young branches; internodes pale when young, becoming darker after. Gonothecae inverted-conical, narrower basally, with a distal aperture on a short collar. Cnidome. Fl-type isorhizas and A-type b-rhabdoids (microbasic b-mastigophores) (Östman 1982, 1987, 1999). Habitat type. Commonest subtidally, on both rocky and sandy bottoms (Cornelius 1995). Substrate. Algae, phanerogams, and inert substrates. Seasonality. Winter and spring (this study). Reproductive period. Spring (this study). Medusa. Typical for the genus. Distribution. Nearly cosmopolitan (Broch 1918; Kramp 1938; Cornelius 1990, 1995; Medel & López- González 1996; Schuchert 2001 a; Bouillon et al . 2004: Gravili et al . 2008 a). Records in Salento. Rare in the Gulf of Taranto (S. Piraino unpublished observations). Remarks. For more details and the medusa see Cornelius (1995). O. longissima resembles O. dichotoma and both species have often been synonymized (for more details see Schuchert 2001 a). Cnidome differences between the two species may be one of the most reliable ways of distingushing them (Östman 1982, 1987, 1999). Medusae not seen in the present study. References. Picard (1958 a) as O. plana Riedl (1959, 1966); Morri & Bianchi (1982, 1983) as O. plana Ramil (1988), Altuna (1994), Cornelius (1995), Medel & López-González (1996), Piraino et al. (1999) as O. plana , Schuchert (2001 a), Bouillon et al. (2004), Gravili (2006), Gravili et al. (2008 a). : Published as part of Gravili, Cinzia, Vito, Doris De, Camillo, Cristina Gioia Di, Martell, Luis, Piraino, Stefano & Boero, Ferdinando, 2015, The non-Siphonophoran Hydrozoa (Cnidaria) of Salento, Italy with notes on their life-cycles: an illustrated guide, pp. 1-187 in Zootaxa 3908 (1) on pages 155-157, DOI: 10.11646/zootaxa.3908.1.1, http://zenodo.org/record/242729 : {"references": ["Schuchert, P. (2001 a) Hydroids of Greenland and Iceland (Cnidaria, Hydrozoa). Meddelelser om Gronland, Bioscience, 53, 1 - 184.", "Cornelius, P. F. S. (1995) NorthWest European Thecate Hydroids and their Medusae. Synopses of the British Fauna, New Series, pt. 1 & 2, 1 - 347 & 1 - 386.", "Ostman, C. (1982) Nematocysts and taxonomy in Laomedea, Gonothyraea and Obelia (Hydrozoa, Campanulariidae). Zoologica Scripta, 11 (4), 227 - 241. http: // dx. doi. org / 10.1111 / j. 1463 - 6409.1982. tb 00536. x", "Broch, H. (1918) Hydroida. (Part II). Danish Ingolf Expedition, 5 (7), 1 - 206.", "Cornelius, P. F. S. & Ryland, J. S. (1990) Class Hydrozoa. In: Hayward, P. J. & Ryland, J. S. (Eds.), The marine fauna of the British Isles and NorthWest Europe. Introduction and Protozoans to Arthropods. Vol. 1. Oxford University Press, Oxford, pp. 107 - 158.", "Gravili, C., Boero, F. & Licandro, P. (2008 a) Hydrozoa. Biologia Marina Mediterranea, 15 (Supplement), 71 - 91.", "Picard, J. (1958 a) Origines et affinites de la faune d'hydropolypes (Gymnoblastes et Calyptoblastes) et d'hydromeduses (Anthomeduses et Leptomeduses) de la Mediterranee. Rapports et proces verbaux des Reunions de la Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco, 14, 187 - 199.", "Riedl, R. (1959) Die Hydroiden des Golfes von Neapel und ihr Anteil an der Fauna unterseeischen Hohlen. In: Ergebnisse der osterreichischen Tyrrhenia-Expedition 1952, Teil xvi. Pubblicazioni della Stazione Zoologica di Napoli, 30 (supplement), pp. 591 - 755.", "Riedl, R. (1966) Biologie der Meereshohlen. Blackwell Wissensch, 636 pp. http: // dx. doi. org / 10.1002 / iroh. 19680530208", "Morri, C. & Bianchi, C. N. (1982) Contributo alla conoscenza degli idrozoi lagunari italiani: distribuzione di idropolipi lungo un gradiente ambientale nella laguna di Chioggia (Nord Adriatico). In: Atti XIV. Congresso della Societa Italiana di Biologia Marina. Bollettino dei Musei e degli Istituti Biologici dell'Universita di Genova, 50 (supplement), pp. 270 - 274.", "Ramil Blanco, F. J. (1988) Hidrozoos de Galicia. Memoria que, para optar al Grado de Doctor en Biologia, presenta D. Francisco Ramil Blanco. Facultad de Biologia, Universidad de Santiago. Santiago de Compostela, 525 pp.", "Medel, M. D. & Lopez-Gonzalez, P. J. (1996) Updated catalogue of the Hydrozoans from the Iberian Peninsula and Balearic Islands with remarks on zoogeography and affinities. Scientia Marina, 60 (1), 183 - 209.", "Piraino, S., Brandini, E., Denitto, F., Esposito, L. & Avian, M. (1999) La diversita degli Cnidari nella riserva marina di Ustica. Biologia Marina Mediterranea, 6 (1), 272 - 274."]} |
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Text |
author |
Gravili, Cinzia Vito, Doris De Camillo, Cristina Gioia Di Martell, Luis Piraino, Stefano Boero, Ferdinando |
author_facet |
Gravili, Cinzia Vito, Doris De Camillo, Cristina Gioia Di Martell, Luis Piraino, Stefano Boero, Ferdinando |
author_sort |
Gravili, Cinzia |
title |
Obelia longissima Pallas 1766 |
title_short |
Obelia longissima Pallas 1766 |
title_full |
Obelia longissima Pallas 1766 |
title_fullStr |
Obelia longissima Pallas 1766 |
title_full_unstemmed |
Obelia longissima Pallas 1766 |
title_sort |
obelia longissima pallas 1766 |
publisher |
Zenodo |
publishDate |
2015 |
url |
https://dx.doi.org/10.5281/zenodo.6107216 https://zenodo.org/record/6107216 |
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ENVELOPE(-55.233,-55.233,-61.250,-61.250) ENVELOPE(-58.250,-58.250,-63.917,-63.917) ENVELOPE(157.417,157.417,-79.633,-79.633) ENVELOPE(-82.713,-82.713,-79.863,-79.863) ENVELOPE(-63.567,-63.567,-64.850,-64.850) ENVELOPE(167.350,167.350,-78.117,-78.117) ENVELOPE(-55.500,-55.500,-63.350,-63.350) ENVELOPE(70.203,70.203,-49.626,-49.626) ENVELOPE(-131.500,-131.500,-85.733,-85.733) |
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Greenland Blanco Gonzalez Medusa Genova Lopez Hayward Bianchi Gronland Vito |
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Greenland Blanco Gonzalez Medusa Genova Lopez Hayward Bianchi Gronland Vito |
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Greenland Iceland |
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Greenland Iceland |
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ftdatacite:10.5281/zenodo.6107216 2023-05-15T16:30:48+02:00 Obelia longissima Pallas 1766 Gravili, Cinzia Vito, Doris De Camillo, Cristina Gioia Di Martell, Luis Piraino, Stefano Boero, Ferdinando 2015 https://dx.doi.org/10.5281/zenodo.6107216 https://zenodo.org/record/6107216 unknown Zenodo http://zenodo.org/record/242729 http://publication.plazi.org/id/FFC1FFA6FFF6FFB99C410F49D739FFD6 http://zoobank.org/D6AD2B49-170B-4D9C-84AA-DBE0FEEAD8BE https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.3908.1.1 http://zenodo.org/record/242729 http://publication.plazi.org/id/FFC1FFA6FFF6FFB99C410F49D739FFD6 https://dx.doi.org/10.5281/zenodo.242839 http://zoobank.org/D6AD2B49-170B-4D9C-84AA-DBE0FEEAD8BE https://dx.doi.org/10.5281/zenodo.6107215 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Campanulariidae Obelia Obelia longissima article-journal ScholarlyArticle Taxonomic treatment Text 2015 ftdatacite https://doi.org/10.5281/zenodo.6107216 https://doi.org/10.11646/zootaxa.3908.1.1 https://doi.org/10.5281/zenodo.242839 https://doi.org/10.5281/zenodo.6107215 2022-04-01T10:40:26Z Obelia longissima (Pallas, 1766) Fig. 110 A–D See Schuchert (2001 a) for a complete synonymy. Material examined. HCUS-S 117 (Hydrozoa Collection, University of Salento—fauna of the Salento Peninsula)—polyp stage. Description (based on our own observations; Cornelius 1995; Schuchert 2001 a): Hydroid. Hydrorhiza as a mass of stolons from which hydrocauli arise; colonies erect, long and flexuose, up to 40 cm high; hydrocauli monosiphonic, with lateral and alternate branches, may be polysiphonic and forked in older colonies, internodes usually nearly straight, thickened in older portions of stem, annulated basally; hydrocladia also flexuose, usually branched in two at their origin, internodes long, in zigzag, ringed basally and below hydrotheca; hydrotheca elongate, bell-shaped, perisarc very thin, diaphragm transverse to oblique, borne alternately at the end of each internode on pedicels with about 6–10 annuli, rim shallow castellated or with shallow rounded cusps, slightly flared. Colours: main stem dark; nodes (but not the internodes) dark in young branches; internodes pale when young, becoming darker after. Gonothecae inverted-conical, narrower basally, with a distal aperture on a short collar. Cnidome. Fl-type isorhizas and A-type b-rhabdoids (microbasic b-mastigophores) (Östman 1982, 1987, 1999). Habitat type. Commonest subtidally, on both rocky and sandy bottoms (Cornelius 1995). Substrate. Algae, phanerogams, and inert substrates. Seasonality. Winter and spring (this study). Reproductive period. Spring (this study). Medusa. Typical for the genus. Distribution. Nearly cosmopolitan (Broch 1918; Kramp 1938; Cornelius 1990, 1995; Medel & López- González 1996; Schuchert 2001 a; Bouillon et al . 2004: Gravili et al . 2008 a). Records in Salento. Rare in the Gulf of Taranto (S. Piraino unpublished observations). Remarks. For more details and the medusa see Cornelius (1995). O. longissima resembles O. dichotoma and both species have often been synonymized (for more details see Schuchert 2001 a). Cnidome differences between the two species may be one of the most reliable ways of distingushing them (Östman 1982, 1987, 1999). Medusae not seen in the present study. References. Picard (1958 a) as O. plana Riedl (1959, 1966); Morri & Bianchi (1982, 1983) as O. plana Ramil (1988), Altuna (1994), Cornelius (1995), Medel & López-González (1996), Piraino et al. (1999) as O. plana , Schuchert (2001 a), Bouillon et al. (2004), Gravili (2006), Gravili et al. (2008 a). : Published as part of Gravili, Cinzia, Vito, Doris De, Camillo, Cristina Gioia Di, Martell, Luis, Piraino, Stefano & Boero, Ferdinando, 2015, The non-Siphonophoran Hydrozoa (Cnidaria) of Salento, Italy with notes on their life-cycles: an illustrated guide, pp. 1-187 in Zootaxa 3908 (1) on pages 155-157, DOI: 10.11646/zootaxa.3908.1.1, http://zenodo.org/record/242729 : {"references": ["Schuchert, P. (2001 a) Hydroids of Greenland and Iceland (Cnidaria, Hydrozoa). Meddelelser om Gronland, Bioscience, 53, 1 - 184.", "Cornelius, P. F. S. (1995) NorthWest European Thecate Hydroids and their Medusae. Synopses of the British Fauna, New Series, pt. 1 & 2, 1 - 347 & 1 - 386.", "Ostman, C. (1982) Nematocysts and taxonomy in Laomedea, Gonothyraea and Obelia (Hydrozoa, Campanulariidae). Zoologica Scripta, 11 (4), 227 - 241. http: // dx. doi. org / 10.1111 / j. 1463 - 6409.1982. tb 00536. x", "Broch, H. (1918) Hydroida. (Part II). Danish Ingolf Expedition, 5 (7), 1 - 206.", "Cornelius, P. F. S. & Ryland, J. S. (1990) Class Hydrozoa. In: Hayward, P. J. & Ryland, J. S. (Eds.), The marine fauna of the British Isles and NorthWest Europe. Introduction and Protozoans to Arthropods. Vol. 1. Oxford University Press, Oxford, pp. 107 - 158.", "Gravili, C., Boero, F. & Licandro, P. (2008 a) Hydrozoa. Biologia Marina Mediterranea, 15 (Supplement), 71 - 91.", "Picard, J. (1958 a) Origines et affinites de la faune d'hydropolypes (Gymnoblastes et Calyptoblastes) et d'hydromeduses (Anthomeduses et Leptomeduses) de la Mediterranee. Rapports et proces verbaux des Reunions de la Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco, 14, 187 - 199.", "Riedl, R. (1959) Die Hydroiden des Golfes von Neapel und ihr Anteil an der Fauna unterseeischen Hohlen. In: Ergebnisse der osterreichischen Tyrrhenia-Expedition 1952, Teil xvi. Pubblicazioni della Stazione Zoologica di Napoli, 30 (supplement), pp. 591 - 755.", "Riedl, R. (1966) Biologie der Meereshohlen. Blackwell Wissensch, 636 pp. http: // dx. doi. org / 10.1002 / iroh. 19680530208", "Morri, C. & Bianchi, C. N. (1982) Contributo alla conoscenza degli idrozoi lagunari italiani: distribuzione di idropolipi lungo un gradiente ambientale nella laguna di Chioggia (Nord Adriatico). In: Atti XIV. Congresso della Societa Italiana di Biologia Marina. Bollettino dei Musei e degli Istituti Biologici dell'Universita di Genova, 50 (supplement), pp. 270 - 274.", "Ramil Blanco, F. J. (1988) Hidrozoos de Galicia. Memoria que, para optar al Grado de Doctor en Biologia, presenta D. Francisco Ramil Blanco. Facultad de Biologia, Universidad de Santiago. Santiago de Compostela, 525 pp.", "Medel, M. D. & Lopez-Gonzalez, P. J. (1996) Updated catalogue of the Hydrozoans from the Iberian Peninsula and Balearic Islands with remarks on zoogeography and affinities. Scientia Marina, 60 (1), 183 - 209.", "Piraino, S., Brandini, E., Denitto, F., Esposito, L. & Avian, M. (1999) La diversita degli Cnidari nella riserva marina di Ustica. Biologia Marina Mediterranea, 6 (1), 272 - 274."]} Text Greenland Iceland DataCite Metadata Store (German National Library of Science and Technology) Greenland Blanco ENVELOPE(-55.233,-55.233,-61.250,-61.250) Gonzalez ENVELOPE(-58.250,-58.250,-63.917,-63.917) Medusa ENVELOPE(157.417,157.417,-79.633,-79.633) Genova ENVELOPE(-82.713,-82.713,-79.863,-79.863) Lopez ENVELOPE(-63.567,-63.567,-64.850,-64.850) Hayward ENVELOPE(167.350,167.350,-78.117,-78.117) Bianchi ENVELOPE(-55.500,-55.500,-63.350,-63.350) Gronland ENVELOPE(70.203,70.203,-49.626,-49.626) Vito ENVELOPE(-131.500,-131.500,-85.733,-85.733) |