Westblad, E., 1954. Some Hydroidea and Turbellaria from western Norway, with description of three new species of Turbellaria. Univ. Bergen Arb., Naturvid. Raekke, 1954 10: 1-22.
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Publication
figs 1-6. (xi.1954).
Systematics, Taxonomy
Zoogeography, Biogeography (generalities), Geographic distribution