Blar i NTNU Vitenskapsmuseet (VM) på forfatter "Bakken, Torkild"
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A catalogue of the type specimens of protozoans, invertebrates and fish in the Museum of Natural History and Archaeology, NTNU
Bakken, Torkild (Gunneria, 0332-8554; 74, Research report, 1999)This catalogue gives a review of the zoological type material deposited in the Museum of Natural History and Archaeology, Norwegian University of Science and Technology. The museum dates back to the eighteenth century but ... -
A mega-cryptic species complex hidden among one of the most common annelids in the North East Atlantic
Nygren, Arne; Parapar, Julio; Meissner, Karin; Pons, Joan; Bakken, Torkild; Kongsrud, Jon Anders; Gaeva, Daria; Oug, Eivind; Sirkoski, Andrey; Johansen, Robert Andre; Hutchings, Pat; Lavasque, Nicolas; Capa Corrales, Maria (Journal article; Peer reviewed, 2018)We investigate mitochondrial (COI, 16S rDNA) and nuclear (ITS2, 28S rDNA) genetic structure of North East Atlantic lineages of Terebellides, a genus of sedentary annelids mainly inhabiting continental shelf and slope ... -
A revision of Nereidinae (Polychaeta, Nereididae)
Bakken, Torkild (Doktoravhandlinger ved NTNU, 1503-8181; 2004:3, Doctoral thesis, 2004)Groups of taxa of the polychaete family Nereididae were studied with the aim of presenting a revision of the subfamily Nereidinae. Detailed description of characters starting with a selected group, Neanthes, was extended ... -
Archaeology and biology in the deep sea: The Ormen Lange marine archaeology project
Søreide, Fredrik; Bakken, Torkild; Jasinski, Marek E. (Chapter, 2013)This paper presents the results and conclusions of a biological sampling project on the Ormen Lange deep-water shipwreck site. -
Benthic Communities on the Mohn’s Treasure Mound: Implications for Management of Seabed Mining in the Arctic Mid-Ocean Ridge
Ramirez-Llodra, Eva; Hilário, Ana; Paulsen, Emil; Costa, Carolina; Bakken, Torkild; Johnsen, Geir; Rapp, Hans Tore (Peer reviewed; Journal article, 2020)The Mohn’s Treasure, described as an inactive sulfide mound, was discovered at 2,600- m depth on the Arctic Mid-Ocean Ridge (AMOR) in 2002. In 2015, we conducted the first biological survey of Mohn’s Treasure using remotely ... -
Biodiversity hotspot in cold waters: a review of the genus Cuthonella with descriptions of seven new species (Mollusca, Nudibranchia)
Korshunova, Tatiana; Sanamyan, Nadezhda P.; Sanamyan, Karen E.; Bakken, Torkild; Lundin, Kennet; Fletcher, Karin; Martynov, Alexander (Peer reviewed; Journal article, 2020)Cuthonella Bergh, 1884 is of one of the most neglected nudibranch groups, with a long history of taxonomic confusion with other aeolidacean genera. Owing to its predominantly Arctic distribution with cold water, its species ... -
Biogeographic patterns of distribution of the mollusc Zelentia ninel (Nudibranchia, Trinchesiidae)
Broms, Fredrik Björn; Bakken, Torkild; Martynov, Alexander; Korshunova, Tatiana (Peer reviewed; Journal article, 2023)In the present contribution we report, for the first time, records of the nudibranch Zelentia ninel from Norway. The species is previously known only from the Barents Sea coast in northern Russia where it was described for ... -
Bishop Gunnerus as a naturalist: His impact on biodiversity research today
Bakken, Torkild; Fremstad, Eli; Aagaard, Kaare (Chapter, 2011)Bishop Gunnerus started his work as naturalist as soon as he arrived in Trondheim. In a pastoral letter to his clergymen he instructed them to collect specimens and information on natural history in their parishes. ... -
Corals as substrate for tube-dwelling anemones
Ceriello, Hellen; Costa, Gabriel G.; Bakken, Torkild; Stampar, Sergio N. (Peer reviewed; Journal article, 2020)This study is about seven individuals of Botrucnidifer norvegicus Carlgren, 1912 (Anthozoa, Ceriantharia) that were attached to a stony deep-sea coral, Desmophyllum pertusum Linnaeus, 1758 (Anthozoa, Scleractinia). They ... -
The curious and intricate case of the European Hediste diversicolor (Annelida, Nereididae) species complex, with description of two new species
Teixeira, Marcos A. L.; Bakken, Torkild; Vieira, Pedro E.; Langeneck, Joachim; Sampieri, Bruno R.; Kasapidis, Panagiotis; Ravara, AscensÃO; Nygren, Arne; Costa, Filipe O. (Peer reviewed; Journal article, 2022)Past molecular studies using mtDNA sequences and alloenzymes signalled the existence of at least two cryptic species within the Hediste diversicolor morphotype, in European coasts. However, to this day, no new species ... -
Deep-water species of the genus Ophelina (Annelida, Opheliidae) in the Nordic Seas, with the description of Ophelina brattegardi sp. nov
Kongsrud, Jon Anders; Bakken, Torkild; Oug, Eivind (Journal article; Peer reviewed, 2011)Six species of Ophelina Ørsted, 1843 have been identified in an extensive material covering 145 localities from 575 to 3900 m depth in the Nordic Seas. Ophelina opisthobranchiata Wirén, 1901 and O. helgolandiae Augener, ... -
Describing the hidden species diversity of Chaetozone (Annelida, Cirratulidae) in the Norwegian Sea using morphological and molecular diagnostics
Grosse, Maël Ariel; Capa, Maria; Bakken, Torkild (Journal article; Peer reviewed, 2021)Using molecular markers and species delimitation analyses, a high diversity of bi-tentaculate Cirratulidae was discovered from the North-East Atlantic. Five new species are described: Chaetozone pseudosetosa sp. nov., ... -
Discovery of a silicate rock-boring organism and macrobioerosion in fresh water
Bolotov, Ivan N.; Aksenova, Olga V.; Bakken, Torkild; Glasby, Christopher J.; Gofarov, Mikhail Yu.; Kondakov, Alexander V.; Konopleva, Ekaterina S.; Lopes-Lima, Manuel; Lyubas, Artyom A.; Wang, Yu; Bychkov, Andrey Yu.; Sokolova, Agniya M.; Tanmuangpak, Kitti; Tumpeesuwan, Sakboworn; Vikhrev, Ilya V.; Shyu, J. Bruce H.; Win, Than; Pokrovsky, Oleg S. (Journal article; Peer reviewed, 2018)Macrobioerosion is a common process in marine ecosystems. Many types of rock-boring organisms break down hard substrates, particularly carbonate rocks and calcareous structures such as dead corals and shells. In paleontology, ... -
Diversity of Norwegian sea slugs (Nudibranchia): new species to Norwegian coastal waters and new data on distribution of rare species
Evertsen, Jussi; Bakken, Torkild (Journal article; Peer reviewed, 2013)A total of 5 nudibranch species are reported from the Norwegian coast for the first time (Doridoxa ingolfiana, Goniodoris castanea, Onchidoris sparsa, Eubranchus rupium and Proctonotus mucroniferus). In addition 10 species ... -
Diversity, habitat endemicity and trophic ecology of the fauna of Loki’s Castle vent field on the Arctic Mid-Ocean Ridge
Eilertsen, Mari Heggernes; Kongsrud, Jon Anders; Tandberg, Anne Helene S.; Alvestad, Tom; Budaeva, Nataliya; Martell, Luis; Ramalho, Sofia P.; Falkenhaug, Tone; Huys, Rony; Oug, Eivind; Bakken, Torkild; Høisæter, Tore; Rauch, Cessa; Carvalho, Francisca Maria Correia de; Savchenko, Alexandra; Ulvatn, Tone; Kongshavn, Katrine; Berntsen, Cassandra Mari; Olsen, Bernt Rydland; Pedersen, Rolf B. (Journal article; Peer reviewed, 2024)Loki’s Castle Vent Field (LCVF, 2300 m) was discovered in 2008 and represents the first black-smoker vent field discovered on the Arctic Mid-Ocean Ridge (AMOR). However, a comprehensive faunal inventory of the LCVF has not ... -
DNA barcoding of the northern Northeast Atlantic skates (Chondrichthyes, Rajiformes), with remarks on the widely distributed starry ray
Lynghammar, Arve; Christiansen, Jørgen Schou; Griffiths, Andrew M.; Fevolden, Svein-Erik; Hop, Haakon; Bakken, Torkild (Journal article; Peer reviewed, 2014)The skate fauna in the northern Northeast (NE) Atlantic is poorly investigated, and misidentifications are common. Here, ‘DNA barcoding’ was used to analyse 105 specimens of 15 species previously reported from the area to ... -
Feltarbeid i Saltstraumen marine verneområde. Utfordringer og metodikk for observasjon og skånsom innsamling av marin fauna i en av verdens sterkeste tidevannsstrømmer
Bakken, Torkild; Kongshavn, Katrine; Martell Hernández, Luis Felipe; Alvestad, Tom; Kongsrud, Jon Anders (NTNU Vitenskapsmuseet naturhistorisk notat;, Research report, 2020)Det ble gjennomført feltarbeid i Saltstraumen i september 2019 for å kartlegge fauna av marine invertebrater. Feltarbeidet ble gjennomført i samarbeid med interessegruppa for Saltstraumen marine verneområde som arrangerte ... -
The first consolidation of morphological, molecular, and phylogeographic data for the finely differentiated genus Diaphoreolis (Nudibranchia: Trinchesiidae)
Korshunova, Tatiana; Fletcher, Karin; Bakken, Torkild; Martynov, Alexander (Peer reviewed; Journal article, 2023)We demonstrate the application of the multilevel organismal diversity approach using the example of the nudibranch trinchesiid genus Diaphoreolis. For the first time, fine-scale morphological, genetic, and phylogeographic ... -
The genus Jorunna (Nudibranchia: Discodorididae) in Europe: A new species and a possible case of incipient speciation
Neuhaus, Jenny; Rauch, Cessa; Bakken, Torkild; Picton, Bernard; Pola, Marta; Malaquias, Manuel António E. (Peer reviewed; Journal article, 2021)To investigate the conspecificity of different morphotypes of Jorunna tomentosa (Cuvier, 1804) (type species of genus Jorunna Bergh, 1876), we studied specimens sampled from across part of the geographical distribution of ... -
Habitatklassifisering og trusselvurderinger av rødlistearter. Forslag til standarisert system
Ødegaard, Frode; Bakken, Torkild; Blom, Hans; Brandrud, Tor Erik; Stokland, Jogeir N.; Aarrestad, Per Arild (NINA rapport;, Research report, 2005)Målet med dette arbeidet har vært å utarbeide et system for presis og effektiv angivelse av ha- bitattyper og påvirkningsfaktorer for rødlistede arter. Det nye systemet skal inngå som menyer i et web-basert verktøy til ...