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 » ReferencesParaphormosoma alternans (ambulacral plates + apical system)Description a. Ambulacral plates on the aboral side: The primary plates in each triplet are occluded from the outer suture, the demiplates being continuous, b. Ambulacral plates on the oral side, c. Part of apical system.b. Scale 4 mm, c. Scale 3 mm.Author Mortensen, TheodorJPG file - 119.32 kB - 1 654 x 531 pixelsadded on 2011-02-23186 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...© 2011 Mortensen, TheodorClick here to return to the thumbnails overview