A new integrated search interface will become available in the next phase of marineinfo.org.For the time being, please use IMIS to search available data PeopleInstitutesProjectsData setsPublicationsEvents IMIS Photogallery » ReferencesVan Beneden & Hesse (1864, fig. 1)Description Polystomidés. Baer a vue chez la plupart des individus deux points noir sur le dos derrière la bouche, qui correspondent à des points oculaires des annélides. Erpocotyle laevis Nob. Author P.J. Van Beneden & C.E. HesseJPG file - 1.03 MB - 1 631 x 1 512 pixelsadded on 2011-07-04785 viewsFrom reference Van Beneden, P.-J.; Hesse, C.E. (1864). Recherches sur le... (page 87) This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 LicenseClick here to return to the thumbnails overview