The cephalic sensory organ in veliger larvae of pulmonates (Gastropoda: Mollusca).

@article{Ruthensteiner2002TheCS,
  title={The cephalic sensory organ in veliger larvae of pulmonates (Gastropoda: Mollusca).},
  author={Bernhard Ruthensteiner and Kurt C. Schaefer},
  journal={Journal of morphology},
  year={2002},
  volume={251 1},
  pages={
          93-102
        }
}
The apical area of larvae of four primitive pulmonate species was investigated by means of serial ultrathin and light microscope sections. Cephalic sensory organs (CSOs) were found in the larvae of Onchidium cf. branchiferum (Onchidiidae) and Laemodonta octanfracta (Ellobiidae), while no trace of the organ was present in the larvae of Ovatella myosotis (Ellobiidae) or Williamia radiata (Siphonariidae). TEM investigation revealed very similar CSOs in O. cf. branchiferum and L. octanfracta, with… CONTINUE READING

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