Figure 10From: A new sensory organ in “primitive” molluscs (Polyplacophora: Lepidopleurida), and its context in the nervous system of chitonsPreservation artefacts affect the visibility of the Schwabe organ in fixed specimens. A., Specimen of Leptochiton boucheti, preserved in 95% ethanol and showing bleaching; B., A second specimen of L. boucheti, fixed in formalin and subsequently stored in 70% ethanol, with pigmentation intact. Specimens from the collection of the Muséum National d’Histoire Naturelle, Paris (MNHN). Chevron: Schwabe organ.Back to article page