Browsing Naturhistorisk museum by Title

Now showing items 459-478 of 763

  • New early Miocene species of the cheilostome bryozoan Microporella from the South Island of New Zealand 
    Ramsfjell, Mali Hamre; Taylor, Paul D.; Di Martino, Emanuela (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Since its first appearance in the early Miocene, the cheilostome bryozoan genus Microporella has been cosmopolitan, recorded from most continents. However, Miocene Microporella records in New Zealand are scarce, and currently ...
  • New evaluation of species-specific biogenic silica flux of radiolarians (Rhizaria) in the western Arctic Ocean using microfocus X-ray computed tomography 
    Ikenoue, Takahito; Kimoto, Katsunori; Nakamura, Yuriko; Bjørklund, Kjell Rasmus; Kuramoto, Naoki; Ueki, Masaaki; Ota, Yuichi; Onodera, Jonaotaro; Harada, Naomi; Honda, Makio C.; Sato, Miyako; Watanabe, Eiji; Itoh, Motoyo; Nishino, Shigeto; Kikuchi, Takashi (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    We studied time-series fluxes of radiolarian particles collected by two sediment traps deployed at the eastern (Sta. NAP12t) and western (Sta. CAP12t) sides of the Chukchi Borderland in the Chukchi Sea from 04 October 2012 ...
  • New insights into the taxonomy and evolution of Jurassic planktonic foraminifera 
    Gradstein, Felix M; Waskowska, Anna (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Globuligerina glinskikhae nov. sp. Gradstein & Waskowska and Globuligerina waskowskae nov. sp. Gradstein are new species of Jurassic planktonic foraminifera from the Middle Jurassic of Dagestan and Poland. ...
  • New late jurassic teleost remains from the agardhfjellet formation, Spitsbergen, Svalbard 
    Koevoets, Maayke Jacqueline; Hurum, Jørn Harald; Hammer, Øyvind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The Agardhfjellet Formation (Middle Jurassic to lowermost Cretaceous) of Svalbard (Norwegian Arctic) is well known for its abundant and unique marine reptile fauna, of ichthyosaurs and plesiosaurs. In an attempt to reconstruct ...
  • A New Ophthalmosaurid (Ichthyosauria) from Svalbard, Norway, and Evolution of the Ichthyopterygian Pelvic Girdle 
    Delsett, Lene Liebe; Roberts, Aubrey Jane; Druckenmiller, Patrick Scott; Hurum, Jørn Harald (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    In spite of a fossil record spanning over 150 million years, pelvic girdle evolution in Ichthyopterygia is poorly known. Here, we examine pelvic girdle size relationships using quantitative methods and new ophthalmosaurid ...
  • New records of Aphelinidae (Hymenoptera, Chalcidoidea) from Norway, with additional information on host associations and description of a new species 
    Japoshvili, George; Hansen, Lars Ove; Sørlibråten, Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The material of the family Aphelinidae at the Natural History Museum of Oslo is revised. Twelve species not previously recorded from Norway have been found. One species Aphelinus quercus n. sp. is described and illustrated. ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway II 
    Japoshvili, George; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    The collection of the family Encyrtidae at the Natural History Museum of Oslo is revised, and this study focuses on the ethanol preserved material in particular. Eighteen species are reported for the first time from Norway, ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway III 
    Hansen, Lars Ove; Japoshvili, George (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    The collection of the family Encyrtidae at the Natural History Museum of Oslo is revised, and this study focuses on the ethanol-preserved material in particular. Sixteen species are reported for the first time from Norway, ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway IV 
    Japoshvili, George; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    The study of the collection of the family Encyrtidae at the Natural History Museum of Oslo continues. Eighteen species are reported for the first time from Norway in this revision, bringing the total number of Norwegian ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway V 
    Hansen, Lars Ove; Japoshvili, George (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The study of the family Encyrtidae at the Natural History Museum of Oslo continues. Sixteen species are reported for the first time from Norway in this revision, bringing the total number of Norwegian encyrtids up to 123. ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway VI 
    Japoshvili, George; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The study of the family Encyrtidae at the Natural History Museum of Oslo continues. 13 species are reported for the first time from Norway in this revision, bringing the total number of Norwegian encyrtids up to 136. ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway, with additional information on host associations 
    Hansen, Lars Ove; Thuroczy, Csaba; Japoshvili, George (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    The material of the family Encyrtidae at the Natural History Museum of Oslo is revised. A total of 22 species is reported for the first time from Norway. Thus, the total number of Norwegian encyrtid species is now 42. ...
  • New records of lichenized and lichenicolous fungi in Scandinavia 
    Westberg, Martin; Timdal, Einar; Asplund, Johan; Bendiksby, Mika; Haugan, Reidar; Jonsson, Fredrik; Larsson, Per; Odelvik, Göran; Wedin, Mats; Millanes, Ana M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Fourteen species of lichenized or lichenicolous fungi are reported new to either Norway or Sweden or both countries. Several of these are rare and almost unknown. The reported species are: Acarospora insignis (new to ...
  • New records of Pteromalidae (Hymenoptera, Chalcidoidea) from Norway 
    Lindemann, Jon Peder Hjertenes; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The following five species of the family Pteromalidae are reported for the first time from Norway: Gastrancistrus autumnalis (Walker, 1834), Gastrancistrus picipes (Nees, 1834), Glyphognathus laevis (Delucchi, 1953), ...
  • New species and new combinations in Afrotropical Eucosmocydia Diakonoff, 1988 (Lepidoptera: Tortricidae: Olethreutinae) 
    Brown, John W.; Razowski, Józef; Aarvik, Leif; Timm, Alicia E.; Copeland, Robert S (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Eight new species of Eucosmocydia Diakonoff are described and illustrated from the Afrotropical region: E. pappeana Brown and Razowski, new species (TL: Kenya); E. deinbolliana Brown and Razowski, new species (TL: Kenya); ...
  • New Tardigrade Opsins and Differential Expression Analyses Show Ontogenic Variation in Light Perception 
    Fleming, James Frederick; Pisani, Davide; Arakawa, Kazuharu (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Opsins are light-sensitive proteins involved in many photoreceptive processes, including, but not limited to, vision and regulation of circadian rhythms. Arthropod (e.g., insects, spiders, centipedes, ...
  • A new upper jurassic ophthalmosaurid ichthyosaur from the Slottsmøya Member, Agardhfjellet Formation of central Spitsbergen 
    Roberts, Aubrey Jane; Druckenmiller, Patrick Scott; Sætre, Glenn-Peter; Hurum, Jørn Harald (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Abundant new ichthyosaur material has recently been documented in the Slottsmøya Member of the Agardhfjellet Formation from the Svalbard archipelago of Norway. Here we describe a partial skeleton of a new taxon, Janusaurus ...
  • Nine aditions to the Croatian pyraloid moth fauna (Lepidoptera: Pyraloidea) 
    Aarvik, Leif; Gumhalter, Danijela; Berggren, Kai; Kosorin, Frantisek; Graf, Friedmar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    During the last few years, numerous surveys were undertaken to improve the knowledge of the Croatian pyraloid moth fauna. The first author carried out research from 2016 until 2022 on the island of Brač in Dalmatia. The ...
  • Niobium is highly mobile As a polyoxometalate ion during natural weathering 
    Friis, Henrik; Casey, William H. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Niobium is usually considered to be one of the least mobile elements during alteration of rocks in geological processes and is thought to only be mobile at elevated temperatures and/or pressures. Since niobium is assumed ...
  • No Evidence for Pre-Copulatory Sexual Selection on Sperm Length in a Passerine Bird 
    Lifjeld, Jan Terje; Laskemoen, Terje; Kleven, Oddmund; Pedersen, Anne Tiril Myhre; Lampe, Helene M.; Rudolfsen, Geir; Schmoll, Tim; Slagsvold, Tore (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    There is growing evidence that post-copulatory sexual selection, mediated by sperm competition, influences the evolution of sperm phenotypes. Evidence for pre-copulatory sexual selection effects on sperm traits, on the ...