Pogonophora in Norwegian inshore waters

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Abstract
In the last twelve years Russian zoologists have recorded a number of very interesting discoveries of Pogonophora, mainly from the north-western Pacific, but one species from the Polar Sea. These discoveries have aroused great interest in this remarkable group. Since all species had been found in the deep sea the Pogonophora could be supposed to have a much wider distribution than the records indicated, the more so as most species are extremely slender with hair-like tubes which are likely to b? overlooked or mistaken, for plant fibres, hairs etc. In fact an intensified search for Pogonophora in deep-sea collections has proved that these animals really are widely distributed in deep water. But new dredgings have shown that Pogonophora also occur in rather shallow water. Thus Kirkegaard (1956a, b) found Pogonophora in the Galathea collections from Indonesia as well as from the Gulf of Panama. Jägersten (1956, 1957) described a new species, Siboglinum ekmani from old collections from about 500 m in the Skagerrak, and he also described the larva of another species from only 180 m depth in the same area. Kirkegaard (1958) reinvestigated the deepest parts of the Skagerrak where he found more material of S. ekmani. E. C. and A. J. Southward (1958) and E. C. Southward (1959) have described several species from the continental slope off the British Isles and Spain.

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