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 » ReferencesEchinosigra (Echinogutta) amphora (Challenger Expedition)Description a. Aboral side: There is a distinct keel from the anterior side to the posterior slope. b. Oral side: A median keel runs from the peristomial funnel to the end of the posterior rostrum. c. Side view.Length 18 mm; Challenger Station.Author Agassiz, AlexanderJPG file - 153.88 kB - 816 x 1 080 pixelsadded on 2009-02-23349 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d...© 2009 Agassiz, AlexanderClick here to return to the thumbnails overview