Náttúrufræðingurinn

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Náttúrufræðingurinn - 1973, Side 103

Náttúrufræðingurinn - 1973, Side 103
NÁTTÚRUFRÆÐINGURINN 91 S U M M A R Y Some polychaetes new to the Icelandic fauna by Arnthor Gardarsson, Museum of Natural History, Reykjavik. Seven species of l’olychaeta are recorded as new to the Icelandic fauna: Eulalia bilineata (Johnston) 1840 (Phyllodocidae). One specimen íound intertidally near Reykjavik; four collected from dead shells and debris trawled at 35 m in Faxaflói, 64° 05' N, 22° 31' W (Fig. 1). Polydora quadrilobata Jacobi, 1883 (Spionidae). Abundant in sand and mud on the lower shore and subtidally in several localities in SW Iceland and one in NW Iceland (Fig. 2). Taken with young (20—25 segments in tubes in late March and early April. Pygospio elegans Claparede, 1863 (Spionidae). Found at three localities in SW Iceland; intertidally, in shallow water, and in a coastal pond (salinity 24— 26%0). Locally abundant. Taken in great quantities (2200—34000 individuals/ m2) at 4 stations (depths 2—4 m) near Akureyri, N Iceland. (Fig. 2). Scolelepis fuliginosa (Claparéde) 1868 (Spionidae). Four specimens taken in sand under stones on the upper beach on Álftanes, SW Iceland (Fig. 1). Ampharete finmarchica (M. Sars) 1864 (Ampharetidae). One specimen with- out tube taken at 66° 28' N, 13° 53' W, depth about 140 m (Fig. 2). Previously reported front 64° 42' N, 27° 43' W, 802 m (Wesenberg-Lund 1950). Chitinopoma groenlandica (Mörch) 1863 (Serpulidae). Two localities in SW Iceland (Fig. 1). Numerous on shells, stones and bryophyte colonies on the lower shore. Previously reported doubtlully from Icelandic waters by Wesen- berg-Lund (1951). Spirorbis tridentatus (Levinsen) 1883 (Serpulidae). Abundant in several localities on the lower shore in SW Iceland (Fig. 1).
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