New species and new records of freshwater Chaetonotida (Gastrotricha) from Sweden Author Kånneby, Tobias text Zootaxa 2011 3115 29 55 journal article 45872 10.5281/zenodo.206874 d6c791e7-e17f-466f-92ce-d0acd7c40f0c 1175-5326 206874 Polymerurus rhomboides ( Stokes, 1887 ) ( Figure 16 ) Localities. Lake Trösvattnet, Västmanland ( N 59º 33’ 21’’ ; E 14º 29’ 23’’ ). Material. 1 specimen . TL, 273 µm; FL, 80 µm; PhL , 50 µm; MD, 13 µm; DC, 20–22; DR,>50; SCA, 18; TS, 6– 7 x 3; VC, 10. Large elongated species with three-lobed head and well developed cephalion and pleuria. Hypostomium well developed as a transverse bar behind the subterminal mouth. Furca very long, divided into 18 segments. Body covered by oval smooth stalked scales without spines. Interciliary area covered by smaller scales similar in shape to the dorsal ones. Ventral ciliation in two longitudinal bands. Pharynx widens towards the pharyngeal intestinal junction. The Swedish specimen falls within the ranges of previously reported literature data. This species is widely distributed in Europe (see e. g. Marcolongo 1910 ; 1914 ; Mola 1932 ; Valkanov 1937 ; Rudescu 1967 ; Martin 1981 ; Schwank 1990 ; Kisielewski 1998 ) and is also reported from Israel ( Kisielewski 1999 ), Japan ( Saito 1937 ), Korea ( Lee & Chang 2000 ); Cameroon (Togouet Zébaz et al. 2007), Canada ( Schwank 1990 ), United States ( Stokes 1887 ; Davison 1938 ; Anderson & Robbins 1980 ), Argentina ( Grosso 1975 ; Grosso & Drahg 1983 ), Brazil ( Kisielewski 1991 ) and Australia ( Hochberg 2005 ).