Polycelis tenuis (wiki)
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Rhabditophora
Order: Tricladida
Family: Planariidae
Genus: Polycelis
Species: tenuis
Date: 2020-03-15
Place: 50.149531, 14.562601 (Zamek Ctenice - Ctenicky potok)
Elevation: 238 m
Observer: sumie-dh
Biotope: benthos, under stones
River: Ctěnický potok - Rokytka
Bedrock: Fluvial deposits, sediments
Microscope: Carl Zeiss Jenamed (dark field)
Amplification: 32x
Collecting method: manual - brush
Description: Our first confirmed Polycelis tenuis which was discovered among specimens of Planaria torva. Note two onion-shaped adenodactyls on ventral [v] side of animal. Animal was narcotized by 0.05% clove oil, and observed under 3.6x enlargemend under cover glass at ventral [v] and dorsal [d] view.
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