Fróðskaparrit - 01.01.2001, Qupperneq 108

Fróðskaparrit - 01.01.2001, Qupperneq 108
112 BRACHIOPODA IN THE FAROE ISLANDS AREA it was nevertheless referred to by Wesen- berg-Lund (1940). Wesenberg-Lund was the first to present a synopsis of the Faroe brachiopods. Her paper (Wesenberg-Lund, 1940) was based partly on few and old specimens at the Zoo- logical Museum in Copenhagen, partly on published references. Generally the materi- al comprised only a few specimens from each locality and only a few specimens from the Danish expeditions in the 1920s. Wesenberg-Lund concluded that brachio- pods were rare on the continental shelf off the Faroes. As will be demonstrated in the present paper, this conclusion was wrong, probably due to the inadequacy of the sam- pling methods (O.S. Tendal, pers. comm.). Wesenberg-Lund listed seven species and showed their distribution on two maps of the area investigated. The species were: ”1. Crania anomala (O.F. Miill.), 2. Hemithy- ris psittacea (Gmelin), 3. Terebratulina ca- put serpentis (L.), 4. Terebratulina septen- trionalis Couthouy, 5. Terebratella spits- bergensis Davidson, 6. Waldheimia (Ma- candrevia) cranium (O.F. Míiller), 7. Wald- heimia septigera (Loven)”. The records in Wesenberg-Lund (1940) of two of these (Nos. 4 and 5) must now be considered du- bious, thus T. septentrionalis was repre- sented by only one specimen, and T. spits- bergensis (now Glaciarcula spitsbergen- sis) by only three specimens (one specimen being referred to T. retusa by G. Curry, O.S.Tendal pers. comnr.). In addition H. psittacea was not present in the museum collection. Wesenberg-Lund concluded that future investigations would probably not increase the number of species, a prediction that has so far proved correct. She also suggested that species found in neighbouring areas might occur off the Faroes. So far, this has only been confirmed for Platidia anomioi- des (Scacchi & Philippi, 1844), a single specimen of which was previously record- ed by the ”Porcupine” expedition, north off the Shetlands. In 1941 Wesenberg-Lund published a paper on the systematics and geographical distribution of the brachiopods in the At- lantic north of 50°N. The main object was to present the brachiopods of the ”Ingolf' expedition in the collection of the Zoologi- cal Museum in Copenhagen. This Danish expedition took place in 1895 and 1896. However, brachiopods from later expedi- tions (”Michael Sars”, ”Thor” and "Dana”) were also included, see previous published records in the systematic part of this paper. A total of 10 species were listed, including the seven species mentioned previously (Wesenberg-Lund, 1940). According to Wolf (1995), the "Ingolf’ expedition was the first Danish investiga- tion of the deep sea surrounding Iceland and off south-west Greenland. Both crui- ses took place via the Faroes. Wesenberg- Lund (1941) records five brachiopod spe- cies frorn stations situated within the pre- sent study area: Crania anomala, Terebrat- ulina retusa, T. septentrionalis, '’Diestho- thyris spitzbergensis” (now Glaciarcula spitzbergensis) and "Waldheimiathyris cra- nium” (now Macandrevia cranium). For in- formation on the expeditions with ”Mi- chael Sars”, ”Thor” and ”Dana” see Tendal and Bruntse (2001).
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