Chaetonotus (Primochaetus) heideri Brehm, 1917

Garraffoni, Andre R. S., Araujo, Thiago Q., Lourenco, Anete P. & Balsamo, Maria, 2010, New data on freshwater psammic Gastrotricha from Brazil, ZooKeys 60, pp. 1-12 : 5

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.

Água 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.

Distribution.

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