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| Registros recuperados: 86 | |
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| Häussermann, V.. |
| Two species of sea anemones with a conspicuous marginal ruff of frond-like structures encompassing the tentacular crown occur on the Chilean coast. Oulactis concinnata (= Isoulactis chilensis) (Drayton in Dana, 1846) is re-described in detail and further information is provided for Oulactis coliumensis (Riemann- Zürneck & Gallardo, 1990) (= Saccactis coliumensis) (both Actiniidae). The distribution of O. concinnata from Playa Las Salinas, Perú (9°19’10’’S, 78°26’30’’W), to the region of Valdivia, Chile (39°47’S, 73°21’W), lies within a zoogeographical unit known as the Peruvian Province. Re-description of O. concinnata is based on examination of 10 specimens collected between 1975 and 2003, and on observations of about 50 living anemones in their... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Actiniaria; Actiniidae; Oulactis concinnata; Isoulactis chilensis; Isocradactis magna; Saccactis coliumensis; Oulactis muscosa; Actinostella; Phyllactis; Chile; Perú; Benthos; Catch or fighting tentacles; Marginal “frond-like” ruff; 42.79. |
| Ano: 2003 |
URL: http://www.repository.naturalis.nl/record/220304 |
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| Zaneveld, J.S.. |
| In the first three months of 1937 some Gastrotricha and Kinorhyncha were collected by the author at the beach of Scheveningen. Up to the present no members of these classes were recorded from this part of the North Sea, and moreover, they are all new for the fauna of the Netherlands. Therefore I summarized the results of the examination in the present paper. During neap tide some sand of the beach was put into glassjars, which were beforehand partially filled with sea water. The sand was taken from the surface of the beach, as near to the water line as possible. As described by Remane (1936, pp. 234—235) the glassjars were put in a quiet spot without aeration for 1—2 weeks. After this time every day a proof was taken with a pipette from the surface of the... |
| Tipo: Article / Letter to the editor |
Palavras-chave: 42.79. |
| Ano: 1938 |
URL: http://www.repository.naturalis.nl/record/318500 |
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| Vervoort, W.. |
| A description is given of a corymorphid polyp, Corymorpha tomoensis Ikeda, 1910, collected during an expedition of the National Museum of Natural History, Leiden, The Netherlands, to the Indonesian island of Ambon. This is the first record of a polyp of the genus Corymorpha M. Sars, 1835 from Indonesian waters; corymorphid medusae were collected during the Siboga Expedition and described by Maas (1905) as Euphysora bigelowi; the polyp of that species was subsequently reared in the laboratory (Sassaman & Rees, 1978) and identified as a species of Corymorpha. Species now classified in Corymorpha M. Sars, 1835 are briefly reviewed and their status and distribution discussed. |
| Tipo: Article / Letter to the editor |
Palavras-chave: Cnidaria; Hydrozoa; Hydropolyps; Corymorpha; Taxonomy; Geographical distribution; 42.79. |
| Ano: 2009 |
URL: http://www.repository.naturalis.nl/record/311951 |
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| Peña Cantero, A.L.; Vervoort, W.; Watson, E.J.. |
| Three new species of Anthoathecatae (Cnidaria, Hydrozoa) of the rare genus Clathrozoella Stechow, 1921, Clathrozoella abyssalis spec. nov., C. bathyalis spec. nov. and C. medeae spec. nov., are described from New Zealand and Antarctic waters. Along with the previously known C. drygalskii (Vanhöffen, 1910) the genus Clathrozoella now numbers four species. Details of the skeleton, hydranths, nematocysts and gonophores are described and discussed, as is also the position of the newly established family Clathrozoellidae. |
| Tipo: Article / Letter to the editor |
Palavras-chave: Hydrozoa; Anthoathecatae; Clathrozoellidae; Clathrozoella; Antarctic; Benthos; New species; 42.79. |
| Ano: 2003 |
URL: http://www.repository.naturalis.nl/record/220315 |
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| Ditlev, H.. |
| Eight new species and one new genus of Scleractinian corals from Darvel Bay, North-western Borneo are described and illustrated. Enigmopora darveliensis, Acropora ridzwani, Lithophyllon ranjiti, Pectinia crassa, Mycedium spina, Plerogyra multilobata, Plerogyra diabolotus, and Plerogyra cauliformis. The evolutionary and distributional significance of the species is discussed. Borneo’s unique equatorial location and stable geological history are held responsible for its high diversity of corals with a number of unique species. The morphology of Enigmopora darveliensis is discussed and compared to other supposedly primitive extant corals. The endemic status of most of the Plerogyra species, with their unusually large polyps, is due to their narrow ecological... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Taxonomy; Ecology; New species; Biodiversity; Coral reefs; Indo-Pacific; Centre of diversity; 42.79. |
| Ano: 2003 |
URL: http://www.repository.naturalis.nl/record/216143 |
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| Bouvier, M.E.L.. |
| M. E. STRESEMANN, de Fribourg-en-Brisgau, a bien voulu soumettre à mon examen quatre exemplaires d'un Onychophore qu'il a capturés dans I'île de Ceram. Cet Onychophore appartient sans conteste au genre Paraperipatus WILLEY qui comprenait jusqu'ici quatre espèces: P. novaebritanniae WILLEY (1898), de la Nouvelle-Bretagne; P. ceramensis MUIR & KERSHAW (1909), de Ceram; P. lorentzi HORST (1910,1911), de la NouvelleGuinée, et P. papuensis A. SEDGWICK (1910) également de la NouvelleGuinée. Le Muséum d'Histoire Naturelle de Paris possédait un exemplaire (cotype) de la première espèce, et en utilisant ce spécimen, ainsi que l'excellent travail de M. WILLEY, j'ai pu me convaincre que l'Onychophore de M. STRESEMANN est bien un Paraperipatus. Grâce aux... |
| Tipo: Article / Letter to the editor |
Palavras-chave: 42.79. |
| Ano: 1917 |
URL: http://www.repository.naturalis.nl/record/319155 |
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| Ofwegen, L.P. van. |
| A new genus of nephtheid soft corals is described from the Indo-Pacific, 53 species are included, 34 of which are new to science: Chromonephthea aldersladei spec. nov., C. bayeri spec. nov., C. benayahui spec. nov., C. braziliensis spec. nov., C. brevis spec. nov., C. cairnsi spec. nov., C. cobourgensis spec. nov., C. egmondi spec. nov., C. exosis spec. nov., C. franseni spec. nov., C. frondosa spec. nov., C. fruticosa spec. nov., C. goudi spec. nov., C. grandis spec. nov., C. grasshoffispec. nov., C. hoeksemai spec. nov., C. hornerae spec. nov., C. imaharai spec. nov., C. imperfecta spec. nov., C. levis spec. nov., C. megasclera spec. nov., C. minor spec. nov., C. muironensis spec. nov., C. obscura spec. nov., C. ostrina spec. nov., C. palauensis spec.... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Cnidaria; Anthozoa; Octocorallia; Alcyonacea; Nephtheidae; Chromonephthea; New genus; New species; Indo-Pacific; Endemism; 42.79. |
| Ano: 2005 |
URL: http://www.repository.naturalis.nl/record/210125 |
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| Tmalla, A.F.A.. |
| The stratigraphic positions of the Wadi Dukhan and Al Uwayliah formations are reviewed. Diagnostic Maastrichtian larger foraminiferal species from the Wadi Dukhan Formation in well B7 – 41 (Cyrenaica) and in well U2 – 6 (northeastern Sirt Basin) are illustrated for the first time. These species are Omphalocyclus macroporus (Lamarck), Siderolites cf. calcitrapoides Lamarck and Orbitoides cf. media (d’Archiac). Following the rules of nomenclature, the type section of the Al Uwayliah Formation should be considered a composite stratotype. The section east of al Uwayliah village is the holostratotype (upper part of the formation) and the Jardas al Jarrari section is the parastratotype (lower part of the formation). The combined thickness of the two component... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Maastrichtian; Paleocene; Northeast Libya; Stratigraphy; Foraminifera; 38.22; 42.79. |
| Ano: 2007 |
URL: http://www.repository.naturalis.nl/record/217418 |
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| Leloux, J.. |
| A lectotype has been assigned for Placosmilia? robusta Umbgrove, 1925. This taxon, although fitting into the original diagnosis of Placosmilia, is not defined by the emended diagnosis of Alloiteau and later authors. Specimens from the Upper Maastrichtian of The Netherlands, that were formerly wrongly attributed to Galaxea fasciculata (Lamarck, 1816), a homonym of the extant species Galaxea fascicularis (Linnaeus, 1758), belong to Placocoenia macrophthalma (Goldfuss, 1826). The specimen depicted as P. macrophthalma by Umbgrove does not belong to this taxon and is placed in open nomenclature. |
| Tipo: Article / Letter to the editor |
Palavras-chave: Scleractinia; Galaxea fasciculata; Placosmilia robusta; Maastrichtian; Meerssen Member; Ichnofossil; 38.22; 42.79. |
| Ano: 2004 |
URL: http://www.repository.naturalis.nl/record/214518 |
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| Fedorowski, J.. |
| Rugose corals reinvestigated herein constitute the main part of the collection described by de Groot (1963). The taxonomy proposed herein differs in several instances from that accepted originally by de Groot. Some changes, such as Petalaxis for Lithostrotionella and Calophyllum instead of Polycoelia, were already introduced in de Groot’s unpublished catalogue. Others were introduced in order to match the recent advances in rugose coral systematics. Most systematic changes were based on new microstructural, diagenetic and hystero-ontogenetic studies. These are described in detail for individual species and briefly discussed in the concluding considerations. Trabecular microstructure of septa and its diagenetic alteration was documented for most species.... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Rugosa; Dividocorallia; Bashkirian-Moscovian; Spain; 38.22; 42.79. |
| Ano: 2004 |
URL: http://www.repository.naturalis.nl/record/214517 |
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| Guidi, L.; Todaro, M.A.; Ferraguti, M.; Balsamo, M.. |
| The reproductive system and the spermatozoon of Megadasys sterreri from Lanzarote (Canary Islands, Spain) were studied at structural and ultrastructural levels. The species is a simultaneous hermaphrodite with cross-fertilization and shows paired gonads, the male anterior and the female posterior, and both gametes mature in a caudo-cephalic direction. Sperm ducts converge on the midline and open into a ventral common pore. Two sexual accessory organs are present in the caudal trunk. A pipe-like frontal organ lies between the ovaries and the caudal organ, and is composed of a long, thin region connected to a large zone containing mature and degenerating spermatozoa. The cigar-like caudal organ is elongate, bulky and is made of an anterior glandulo-muscular... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Cephalodasyidae; Phylogeny; Planodasyidae; Reproductive traits; Spermatogenesis; 42.79; 42.62. |
| Ano: 2014 |
URL: http://www.repository.naturalis.nl/record/471589 |
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| Registros recuperados: 86 | |
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