Fróðskaparrit - 01.01.2001, Page 110

Fróðskaparrit - 01.01.2001, Page 110
114 BRACHIOPODA IN THE FAROEISLANDS AREA invertebrate fauna of the Faroe Islands at depths deeper than 100 m in order to sup- plement and update previously published information. A bibliography of benthic ma- rine invertebrates of the Faroese Economic Exclusive Zone has recently been pub- lished by Bruntse and Tendal (2001). Nørrevang et al. (1994) give an account of the sampling, databases and a complete list of sampling stations with details of lo- cation, date, water depth, applied gear and environmental parameters (bottom temper- ature, water mass, bottom current velocity, sediment etc.). This list include five sta- tions sampled by T. Brattegard in 1983 and 13 stations sampled by T. Brattegard and J,- A. Sneli in 1986-1987 (Brattegard and Me- land, 1997). An overview of the benthic temperature in the investigated area was presented by Westerberg (1990). The main part of the sampling took place during 1987-1990 and 1991-1993, mainly from depths of 100-1000 m. Altogether ca. 600 localities were sampled. Material and methods The main part of the BIOFAR material de- scribed in this paper was recovered by the Faroese R/V ” Magnus Heinason” and the Norwegian R/V "Hákon Mosby” using benthic sampling gear (cf. Nørrevang et al., 1994). Brachiopods were present in sam- ples from 187 stations. They were collected with five different gears: a heavy and stur- dy triangular dredge (97 stns/ca. 52%), a detritus sledge (60 stns/ca. 32%), a scallop dredge (13 stns/ca. 7 %), a fine-meshed Crania anomala x 2,3 Thomsen 2001 bottom trawl (10 stns/ca. 5%), and a modi- fied Rothlisberg and Pearcy epibenthic sampler (7 stns/ca. 4%). The brachiopods were fixed in strongly buffered 4% formaldehyde-seawater, later replaced by 70% ethanol, and were prelimi- nary sorted out from the other fauna by the staff of the Kaldbak Marine Laboratory. Systematics Information on each species follows the scheme of Brattegard and Meland (1997). Class INARTICULATA Order ACROTRETIDA Family CRANIIDAE Genus Crania Retzius, 1781 Crania anomala (Muller, 1776) (Fig. l) Synonyms: Patella anomala Miiller (1776); Orbicula norvegica Lamarck (1801). Recent description: Brunton and Curry (1979: 26-27, fig. 11). Previous published records: ”Lightning”: Stn 4, 59°36'N, 7°20'W, 530 ftm; Stn 5, 59°5'N, 7°29'W, 189 ftm (Jeffreys, 1878). ”Michael Sars”: Stn 44, 62°16'N, 5°54'W (6°06'W in stationlist), 103 m; Stn 57, 62°29'N, 5°17'W, 301 m; Stn 82,
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