Pleurotrocha (Proales) sigmoidea Skorikov, 1896
Pleurotrocha sigmoidea, lateral view. This species maybe confused with P. petromyzon, which has a cervical eyespot, which P. sigmoidea is lacking.
Pleurotrocha sigmoidea, dorsal view
Pleurotrocha sigmoidea, lateral view of a slightly compressed specimen. Visible are the foot glands and the vitellarium with 8 nuclei.
Pleurotrocha sigmoidea, trophi, focus plane on incus und manubrium.
Pleurotrocha sigmoidea, trophi, focus plane on the unci
Pleurotrocha sigmoidea, the arrow points to a specimen living as epibiont on the larva of a stonefly. (9.2009)
see also >>> Pleurotrocha petromyzon
Location: Stefansbachtal Gevelsberg, Grünes Klassenzimmer,Teich
Habitat: between the Nitella mucronata/ epibiontic on insect larvae
Date: 24.5.2008
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