Tanaidacea (Crustacea, Peracarida) of the North-east Atlantic: the Agathotanaidae of the AFEN, BIOFAR and BIOICE projects, with a description of a new species of Paragathotanais Lang Author Bird, Graham J text Zootaxa 2010 2730 1 22 journal article 46897 10.5281/zenodo.200143 77534a09-c17e-4b60-8b87-ab041da548ff 1175-5326 200143 Paranarthrura subtilis Hansen, 1913 Hansen (1913) : 124-125; plate XII fig 4a–d. Stephensen (1932) : 351. Lang (1971b) 373–376; figs 6–7. Bird & Holdich (1989): 158; figs 1g , 9. Brandt (1993) : 570. Guerrero-Kommritz et al (2002) : 10. Guerrero-Kommritz (2003) : 3. Larsen (2005) : 121, 140. Identification reference . Hansen (1913) , Lang (1971b) , Bird & Holdich (1989). Distribution records from the AFEN, BIOFAR & BIOICE surveys. Recorded from 26 BIOICE samples, from the Denmark Strait, Greenland-Iceland Rise, Iceland Basin, Iceland Shelf (West), Irminger Basin, and Reykjanes Ridge, at depths 164–1099 m . No records from the AFEN and BIOFAR surveys. Distribution elsewhere. Davis Strait, 582 m ( Hansen 1913 ); North Feni Ridge to the South Biscay Slope, 1160–1739 m (Bird & Holdich 1989); Kolbeinsey Ridge (north of Iceland ), 940 m ( Brandt 1993 ). Remarks. The record of a single specimen of P. subtilis from 940 m on the Kolbeinsey Ridge (north of Iceland ) by Brandt (1993) is the sole example of the Agathotanaidae from this Polar-influenced region. Otherwise, the species has been recorded in the present study where benthic temperatures are in the range 2–5o C (mode 4o C). A considerable shallowing of the recorded upper bathymetric is evident, from 582 m to 164 m (on the West Icelandic Shelf). It is sometimes abundant in samples, with three stations where over one hundred specimens have been collected: 313 specimens in BIOICE Stn 2427 ( Iceland Basin, 778 m ), 114 specimens in BIOICE Stn 2415 ( Iceland Basin, 819 m ) and 109 specimens in BIOICE Stn 2873 (Irminger Basin, 555 m ).