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Table 1 Description of tested planarias

From: Fine-scale differences in diel activity among nocturnal freshwater planarias (Platyhelminthes: Tricladida)

  

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

  1. 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.
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Journal of Circadian Rhythms

ISSN: 1740-3391