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 » ReferencesHypselaster affinis (peristome + apical system)Description a. Peristome and adjacent plates: The labrum shows a distinct lip. b. Apical system: The genital plates are partly fused, the madreporite not extemding beyond the posterior ocular plates.a. Scale 6 mm, b. Scale 4 mm.Author Schultz, HeinkeJPG file - 72.91 kB - 988 x 494 pixelsadded on 2009-02-23181 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d...© 2009 Schultz, HeinkeClick here to return to the thumbnails overview