The Small World of Freshwater Gastrotrichs
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  1. The Small World of Freshwater Gastrotriches
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  3. Species
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  5. Arenotus

Arenotus

  • entire body (incl. ventral cilia) covered with a soft cuticular layer
  • layer easily distinguishable from epidermis by microscopy
  • only cuticular parts of head and adhesive tube independent formations

Diagnosis

  • entire body (incl. ventral cilia) covered with a soft cuticular layer
  • layer easily distinguishable from epidermis by microscopy
  • only cuticular parts of head and adhesive tube independent formations

1 Species:

Arenotus strixinoi

271 µm - 336 µm
Dorsal scales: no scales, but closed cuticular layer
Ventral scales: broad hypostomium with transverse furrow (38-42 µm); two rows of cilia; additionally two ciliary tufts on head (median), one pair of ciliary tufts laterally on head
Particularities: soft cuticular layer; teeth