Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway

Two Norwegian uristid amphipods, obligate associates of sea anemones, have for a long time been confused sub nomine Onisimus normani Sars, 1890. In reality this species only occurs in south Norway, while the north-Norwegian material belongs to O. turgidus (Sars, 1879), described from the Barents Sea...

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Bibliographic Details
Published in:European Journal of Taxonomy
Main Authors: Vader, Wim, Johnsen, Jan Roger, Tandberg, Anne Helene S.
Format: Article in Journal/Newspaper
Language:English
Published: NHIs - European natural history institutions consortium 2020
Subjects:
VDP::Mathematics and natural science: 400::Zoology and botany: 480
VDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480
Barents Sea
Norway
Northern Norway
Online Access:https://hdl.handle.net/10037/19878
https://doi.org/10.5852/ejt.2020.724.1155
Description
Summary:Two Norwegian uristid amphipods, obligate associates of sea anemones, have for a long time been confused sub nomine Onisimus normani Sars, 1890. In reality this species only occurs in south Norway, while the north-Norwegian material belongs to O. turgidus (Sars, 1879), described from the Barents Sea and for a long time forgotten. This paper fully illustrates both species, gives a key, and provides data on their distribution and ecology.

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