Nerve | Aplysia punctata | Archidoris pseudoargus | Pleurobranchea meckeli | Acteon tornatilis[10] | Haminoea japonica[11] | CSO categories |
---|---|---|---|---|---|---|
N1 | lip | lip | lip | lip | lip / anterior cephalic shield | no category |
N2 inner branch | basal part of the labial tentacle | inner part of the oral tentacle/oral lobe | oral veil | anterior groove among the anterior cephalic shield | lip organ | ASOa |
N2 outer branch | tip of the labial tentacle | outer part of the oral tentacle/oral lobe | labial tentacle | posterior groove among the anterior cephalic shield | anterior Hancocks organ | ASOb |
N3 | rhinophore | rhinophore | rhinophore | possibly reduced in Acteon | posterior Hancocks organ | PSO |
Nclc | anterior/lateral body wall | anterior/lateral body wall | anterior/lateral body wall | posterior cephalic shield | posterior cephalic shield | no category |