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. 2011 Apr 10;9:2. doi: 10.1186/1740-3391-9-2

Table 1.

Description of tested planarias

body length at t0 (in mm)
species family range average ± std error
Dugesia (= Schmidtea) polychroa Dugesiidae 5.5-10.0 7.8 ± 0.4
Dugesia (= Girardia) tigrina Dugesiidae 5.2-9.5 6.7 ± 0.3
Polycelis tenuis Planariidae 5.2-8.1 6.4 ± 0.2

The three species of planarias investigated, listed alphabetically. All species belong to the infraorder Paludicola (free-living freshwater planarias). Body length refers to the individuals used in the experiment; n = 12 for all.