Blar i forfatter "Johansen, Per-Otto"

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    • New and little known species of Lepechinella (Crustacea, Amphipoda, Lepechinellidae) and an allied new genus Lepesubchela from the North Atlantic 

      Johansen, Per-Otto; Vader, Wim (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-06-29)
      New species of Lepechinella, L. norvegica sp. nov. and L. victoriae sp. nov., from the North East Atlantic are described together with the new, closely related genus and species Lepesubchela christinae gen. et sp. nov. Lepechinella arctica Schellenberg, 1926 from north of Spitsbergen and Lepechinella schellenbergi Stephensen, 1944 from Greenland are redescribed. A key to the species of Atlantic ...

    • Paradulichia spinifera gurjanova, 1946 (Amphipoda, dulichiidae), a valid species? 

      Johansen, Per-Otto; Vader, Wim (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-11)
      Examination of Paradulichia-material collected from the Barents Sea during the Mareano cruises indicated that there are clear morphological differences between Paradulichia typica Boeck, 1871 from the Hardangerfjord, W. Norway and Paradulichia spinifera Gurjanova, 1946 from the Arctic. Based on our material and the original descriptions, these differences are the acute ventral parts of the body ...