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Registros recuperados: 33
Primeira ... 12 ... Última
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Exceptional but vulnerable microbial diversity in coral reef animal surface microbiomes ArchiMer
Chiarello, Marlène; Auguet, Jean-christophe; Graham, Nicholas A. J.; Claverie, Thomas; Sucré, Elliott; Bouvier, Corinne; Rieuvilleneuve, Fabien; Restrepo-ortiz, Claudia Ximena; Bettarel, Yvan; Villéger, Sébastien; Bouvier, Thierry.
Coral reefs host hundreds of thousands of animal species that are increasingly threatened by anthropogenic disturbances. These animals host microbial communities at their surface, playing crucial roles for their fitness. However, the diversity of such microbiomes is mostly described in a few coral species and still poorly defined in other invertebrates and vertebrates. Given the diversity of animal microbiomes, and the diversity of host species inhabiting coral reefs, the contribution of such microbiomes to the total microbial diversity of coral reefs could be important, yet potentially vulnerable to the loss of animal species. Analysis of the surface microbiome from 74 taxa, including teleost fishes, hard and soft corals, crustaceans, echinoderms,...
Tipo: Text Palavras-chave: Skin microbiota; Phylogenetic diversity; Conservation; Marine biodiversity; Octocorallia; Scleratinia.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00629/74121/73596.pdf
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Habitat suitability and environmental niche comparison of cold-water coral species along the Brazilian continental margin ArchiMer
Barbosa, Romina; Davies, A. J.; Sumida, P. Y. G..
In face of increasing anthropogenic disturbance in the deep sea, it is a priority to better understand the regional distribution of cold-water corals (CWC). These organisms create some of the most species-rich habitats in the deep sea and, for this reason, they must be properly protected and managed. In this study, we aimed to identify suitable habitat for multiple CWC taxa off the Brazilian continental margin and compare their environmental niches. Habitat suitability models were developed using the Maxent approach, which allowed for the prediction of species distribution and for the identification of potential 'hot spot' areas that may be important for biodiversity conservation. Ecological niches were determined by a PCA-env approach, and niche...
Tipo: Text Palavras-chave: Deep-sea corals; Habitat suitability modelling; Lophelia pertusa; Environmental niche; Southwestern Atlantic; Octocorallia; Scleractinia.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00607/71927/76567.pdf
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A new genus of soft coral (Cnidaria, Octocorallia) from the Republic of Congo (Pointe-Noire Region) ArchiMer
Van Ofwegen, Leen P.; Aurelle, Didier; Sartoretto, Stephane.
A new genus of soft coral from the Republic of Congo is described, Complexum gen. n. Nine West African octocoral species previously described in the genus Alcyonium by Tixier-Durivault (1955) are referred to this new genus, and a new species is described and figured, C. pusillum sp. n. The new species is characterized by having encrusting growth form and abundant spiny clubs in the surface of the polyparium. It colonizes shallow calcareous rocky banks (5 to 20 m depth) existing in coastal water of the region of Pointe-Noire. Based on molecular phylogeny this new genus is well separated from Alcyonium species.
Tipo: Text Palavras-chave: Coelenterata; Cnidaria; Octocorallia; Alcyonacea; Alcyoniidea; Alcyonium; Complexum; Republic of Congo; New genus; New species.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00248/35931/34444.pdf
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The Melithaeidae (Coelenterata: Octocorallia) of Singapore Naturalis
Ofwegen, L.P. van; Goh, N.K.C.; Chou, L.M..
Four species of Melithaeidae from Singapore waters are described and depicted: Melithaea ochracea (Linnaeus, 1758), Mopsella rubeola (Wright & Studer, 1889), M. retifera (Lamarck, 1816), and Acabaria robusta (Shann, 1912). Variation and synonymy are discussed.
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Melithaeidae; Singapore; 42.79.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/216175
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Notes on Octocorallia from the Laccadives (SW India) Naturalis
Ofwegen, L.P. van; Vennam, J.E..
New records for the Laccadives are given and one new species is described and figured: Sinularia abhishiktae.
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Gorgonacea; Alcyonacea; New species; New records; Laccadives; Indian Ocean; 42.72.
Ano: 1991 URL: http://www.repository.naturalis.nl/record/318729
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Octocorallia from the Bismarck Sea (part 2) Naturalis
Ofwegen, L.P. van.
A list of species of Alcyonacea from the Bismarck Sea is presented and one new species, Sinularia verseveldti, is described and figured.
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Alcyonacea; Sinularia verseveldti spec. nov.; Bismarck Sea; Papua New Guinea; 42.72.
Ano: 1996 URL: http://www.repository.naturalis.nl/record/319043
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A study of the Xeniidae (Octocorallia, Alcyonacea) collected on the "Tyro" expedition to the Seychelles with a description of a new genus and species Naturalis
Janes, M.P..
An examination of xeniid octocorals was carried out on specimens held in the National Museum of Natural History, Naturalis, Leiden, Netherlands. Samples collected during the Tyro expedition to the Seychelles Islands in the Western Indian Ocean were identified. Six species belong to the genera Cespitularia, Heteroxenia, and Ovabunda are described; five of these are new records for this location. Three new species belonging to the genera Anthelia, Cespitularia and Ovabunda are illustrated. In addition, a new genus belonging to the family Xeniidae is introduced accompanied by scanning electron micrographs of its sclerites. Gross morphology and the ultra-structure of the sclerites indicate there are some similarities in this new genus with Anthelia. However,...
Tipo: Article / Letter to the editor Palavras-chave: Cnidaria; Coelenterata; Octocorallia; Alcyonacea; Xeniidae; Soft corals; Anthelia; Xenia; Heteroxenia; Cespitularia; Ovabunda; Fasciclia; 42.79.
Ano: 2008 URL: http://www.repository.naturalis.nl/record/292117
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Sinularia vanderlandi spec. nov. (Octocorallia: Alcyonacea) from the Seychelles Naturalis
Ofwegen, L.P. van.
A new species of Sinularia from the Seychelles is described and depicted: S. vanderlandi. Species with colony morphology and sclerites similar to that of S. vanderlandi are discussed. Sinularia intacta Tixier-Durivault, 1970, S. rotundata Tixier-Durivault, 1970, and S. molesta Tixier-Durivault, 1970, are considered to be synonyms; S. molesta is here selected as the valid name.
Tipo: Article / Letter to the editor Palavras-chave: Coelenterata; Octocorallia; Alcyonacea; Sinularia vanderlandi; Spec. nov; S. compacta; S. molesta; S. intacta; S. rotundata; Synonymy; Seychelles; 42.72.
Ano: 2001 URL: http://www.repository.naturalis.nl/record/219451
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Types and originals of fossil Porifera and Cnidaria of Indonesia in Naturalis Naturalis
Leloux, J.; Renema, W..
The collection of Naturalis contains a significant collection of fossil corals and sponges. Within the framework of the 'NWO Groot' digitalisation projects the typespecimens, mainly from Indonesia, of Gerth, Umbgrove and related researchers were catalogued. 3920 lots containing 3479 typespecimens related to 676 taxa are concerned.
Tipo: Article / Letter to the editor Palavras-chave: Gerth; Martin; Umbgrove; Foraminifera; Hydrozoa; Scleractinia; Rugosa; Tabulata; Octocorallia; Bivalvia; Ammonoidea; Echinodermata; Rhodophyta; Tertiary; Permian; 38.22.
Ano: 2007 URL: http://www.repository.naturalis.nl/record/270361
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Sinularia mauritiana, a new species of soft coral (Coelenterata: Octocorallia) from Mauritius, Indian Ocean Naturalis
Vennam, J.; Parulekar, A.H..
Sinularia mauritiana, a new soft coral (family Alcyoniidae) from shallow subtidal waters off Mauritius (Western Indian ocean) is described. Extremely long clubs in the surface layer of the lobes, the presence of eight-radiates in the surface layer of the base, and the many spindles with simple tubercles in the interior of the lobes, separate it from previously described species.
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Alcyoniidae; Sinularia mauritiana spec. nov.; Indian Ocean; Mauritius; 42.72.
Ano: 1994 URL: http://www.repository.naturalis.nl/record/318337
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A new genus and species of stoloniferous octocoral (Anthozoa: Clavulariidae) from the Pacific coast of North America Naturalis
Williams, G.C..
A new genus and species of intertidal octocoral is described from the Pacific coast of North America. The new taxon is placed in the stolonbearing family Clavulariidae, and although superficially similar in appearance to species in both the genera Clavularia and Sarcodictyon, it exhibits some unique characters to differentiate it from these taxa.
Tipo: Article / Letter to the editor Palavras-chave: Coelenterata; Anthozoa; Octocorallia; Clavulariidae; Stoloniferous octocoral; New genus and species; Eastern Pacific; West coast North America; 42.79.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/216181
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Four new genera of soft corals (Coelenterata: Octocorallia), with notes on the classification of some established taxa Naturalis
Alderslade, P..
Four new genera, Rhytisma, Klyxum and Skamnarium (family Alcyoniidae) and Sansibia (family Xeniidae), are proposed to accommodate a number of species wrongly assigned to some established genera. A large number of the species concerned have been previously included in the genus Alcyonium, and remarks are made concerning the heterogenous nature of that genus. The reassignment of Parerythropodium hicksoni Utinomi, 1972, to Erythropodium, Alcyonium gracillimum Kükenthal, 1906, to Scleronephthya, and Clavularia hamra to Briareum is also discussed, and the existence of Funginus Tixier-Durivault, 1987, as a replacement name for Fungulus Tixier-Durivault, 1970, is highlighted.
Tipo: Article / Letter to the editor Palavras-chave: Coelenterata; Cnidaria; Octocorallia; Alcyonacea; Alcyoniidae; Xeniidae; Soft corals; Rhytisma; Klyxum; Sansibia; Skamnarium; Fungulus; Funginus; 42.72.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/216031
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Revision of the Genera Bellonella, Eleutherobia, Nidalia and Nidaliopsis (Octocorallia: Alcyoniidae and Nidalliidae), with descriptions of two new Genera Naturalis
Verseveldt, J.; Bayer, F.M..
Nineteen species of Alcyoniidae formerly assigned to various genera are here placed in the genera Bellonella and Eleutherobia; three new species are described in Bellonella. Sixteen species characterized by an abundance of capstans among their sclerites, formerly assigned to Alcyonium, Bellonella and Nidalia are now transferred as valid species or synonyms to the genus Eleutherobia, in which two new species are described making a total of 14 valid species. A new genus Inflatocalyx is established for a digitiform subantarctic species having only very few sclerites, in the form of nearly smooth spindles, and polyps retractile within large, inflated calyces. Six species comprising the genus Cactogorgia are transferred to Nidalia, and three new species are...
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Alcyoniidae; Nidaliidae; Inflatocalyx genus nov.; Pieterfaurea genus nov.; New species; Keys; North Atlantic; Pacific; Philippines; Japan; Hawaii.; 42.72.
Ano: 1988 URL: http://www.repository.naturalis.nl/record/317855
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Octocorallia (Cnidaria: Anthozoa) from the Scotia Arc, South Atlantic Ocean. I. The genus Alcyonium Linnaeus, 1758 Naturalis
Casas, C.; Ramil, F.; Ofwegen, L.P. van.
Three new species of Alcyonium collected by the Spanish Antarctic Expeditions "Antártida 8611" and "Bentart 95" are described and figured: Alcyonium paucilobulatum, A. grandis and A. southgeorgiensis. Another two species, A. antarcticum Wright & Studer, 1889, and Alcyonium sollasi Wright & Studer, 1889, were also collected in the same area.
Tipo: Article / Letter to the editor Palavras-chave: Anthozoa; Octocorallia; Alcyonium; New species; Antarctica; 42.72.
Ano: 1997 URL: http://www.repository.naturalis.nl/record/319078
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The rediscovery of Cervera atlantica (Johnson, 1861) (Cnidaria: Octocorallia): notes on its identification, ecology and geographical distribution Naturalis
Williams, R.B..
Cervera atlantica, a small stoloniferan octocoral, was described as Cornularia atlantica by James Yate Johnson in 1861 from Funchal, Madeira. It then remained unrecognized until 1972 when I discovered it on the Mediterranean coast of Spain. I have since confirmed its existence at the type locality and have traced its distribution around Madeira, throughout the Canary Islands, and on Portuguese and English coasts. In the Mediterranean Sea, I have found it along Spanish and French coasts, among the Balearic Islands and on the coast of Cyprus. Cervera atlantica is cryptic and photophobic, living under stones in shallow water (usually at 0-2 m) or in crevices and caves in massive intertidal rocks, protected from direct sunlight. Intolerant of rough water, it...
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Cervera atlantica; Cornularia cornucopiae; Identification; Ecology; Zoogeography.
Ano: 1996 URL: http://www.repository.naturalis.nl/record/505386
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A new species of Alertigorgia (Coelenterata: Octocorallia: Anthothelidae) from the Indo Malayan region Naturalis
Ofwegen, L.P. van; Alderslade, P..
A new species of Alertigorgia from Indonesian waters is described and depicted, and compared with the hitherto only described species in the genus, A. orientalis (Ridley, 1884). The species is part of a unique association in which a mollusc species lives on an octocoral, which on its turn lives on a sponge species.
Tipo: Article / Letter to the editor Palavras-chave: Coelenterata; Anthozoa; Octocorallia; Alertigorgia; New species; Ovulidae; Oceanapia; Indonesia; 42.72.
Ano: 2007 URL: http://www.repository.naturalis.nl/record/226659
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Fish, fans and hydroids: host species of pygmy seahorses Naturalis
Reijnen, B.T.; Meij, S.E.T. van der; Ofwegen, L.P. van.
An overview of the octocoral and hydrozoan host species of pygmy seahorses is provided based on literature records and recently collected field data for Hippocampus bargibanti, H. denise and H. pontohi. Seven new associations are recognized and an overview of the so far documented host species is given. A detailed re-examination of octocoral type material and a review of the taxonomic history of the alcyonacean genera Annella (Subergorgiidae) and Muricella (Acanthogorgiidae) are included as baseline for future revisions. The host specificity and colour morphs of pygmy seahorses are discussed, as well as the reliability of (previous) identifications and conservation issues.
Tipo: Article / Letter to the editor Palavras-chave: Acanthogorgiidae; Alcyonacea; Annella; Anthozoa; Hippocampus; Host specificity; Hydrozoa; Indo-Pacific; Muricella; New associations; Octocorallia; Subergorgiidae.
Ano: 2011 URL: http://www.repository.naturalis.nl/record/409047
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New and redescribed encrusting species of Alcyonium from the Atlantic Ocean (Octocorallia: Alcyonacea: Alcyoniidae) Naturalis
Stokvis, F.R.; Ofwegen, L.P. van.
Three new species of Alcyonium are described and illustrated: Alcyonium megasclerum and A. rubrum from the Cape Verde Islands, and A. profundum from the Mid Atlantic Ridge. Two species are redescribed and figured: A. grandiflorum Tixier-Durivault & d’Hondt, 1975 and A. maristenebrosi Stiasny, 1937. Pseudoalcyonium novum Tixier-Durivault & d’Hondt, 1975 is synonymized with Alcyonium bocagei (Saville Kent, 1870).
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Alcyonacea; Alcyoniidae; Alcyonium; New species; Redescriptions; Atlantic Ocean; Deep water; 42.72; 42.70.
Ano: 2006 URL: http://www.repository.naturalis.nl/record/198498
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New and redescribed species of Alcyonium Linnaeus, 1758 (Anthozoa: Alcyonacea) Naturalis
Verseveldt, J.; Ofwegen, L.P. van.
Four new species of Alcyonium are described and figured: Alcyonium compactofestucum from the east coast of South Africa, A. rudyi from the west coast of the United States, A. senegalense from Senegal and A. spitzbergense from Spitzbeigen. A. antarcticum Wright & Studer, 1889, A. gruveli TixierDurivault, 1955, A. monodi Tixier-Durivault, 1955, A. patagonicum (May, 1899) and A. sollasi Wright & Studer, 1889, are redescribed and figured. A. paessleri May, 1899, is synonymized with A. antarcticum Wright & Studer, 1889.
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Alcyoniidae; New species; Redescriptions; Atlantic Ocean; Indo-Pacific Ocean; 42.72.
Ano: 1992 URL: http://www.repository.naturalis.nl/record/318612
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Five new species of the genus Dendronephthya Kukenthal, 1905, (Octocorallia: Nephtheidae) from the Indian Ocean Naturalis
Verseveldt, J.; Ofwegen, L.P. van.
Five new species of Dendronephthya from the Indian Ocean are described and figured: Dendronephthya (Morchellana) bruuni, D. (M.) hystricosa, D. (M.) pyriformis, D. (M.?) staphyloidea and D. (Roxasia) vervoorti.
Tipo: Article / Letter to the editor Palavras-chave: Octocorallia; Nephtheidae; New species; Indian Ocean; 42.72.
Ano: 1991 URL: http://www.repository.naturalis.nl/record/318454
Registros recuperados: 33
Primeira ... 12 ... Última
 

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