New data on freshwater psammic Gastrotricha from Brazil Author Garraffoni, Andre R. S. Author Araujo, Thiago Q. Author Lourenco, Anete P. Author Balsamo, Maria text ZooKeys 2010 60 1 12 http://dx.doi.org/10.3897/zookeys.60.495 journal article http://dx.doi.org/10.3897/zookeys.60.495 1313-2970-60-1 Chaetonotus (Primochaetus) heideri Brehm, 1917 Figs 4-5Table 4 Chaetonotus heideri - Emberton (1981: 95, Figs 1-2) ; Balsamo (1990: 173) ; Kisielewski (1991: 17, Tab. 3) ; Nesteruk (2004: 444, Tab. 1; 2007: 836, Tab. 1) ; Grilli et al.(2008: 174, Fig. h) . Material. Agua Limpa: 1 specimen, Soberbo: 2 specimens, Preto River: 2 specimens. Description. The description is based on an adult specimen 137.5 μm in total length. Head with three lobes and two pairs of ciliary tufts. Pharynx 41 μm in length from the posterior edge of the mouth to pharyngo-intestinal junction, that is at U29. Anterior scales rounded and posterior ones pentagon-like shaped. Lateral spine denticle located near to the spine end. Table 4. Morphometrical features of Chaetonotus heideri . N= number of specimens measured.

Features	Range	N	Literature data from Brazil	Literature data from Europe

Distribution. Brazil: Diamantina (Minas Gerais State), Jureia Ecological Reserve and Sao Carlos ( Sao Paulo State), Benevides ( Para State); USA: Ohio; Germany; England; Italy; Poland; Romania; Russia; Czech Republic; Switzerland; France: Gironde.