Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Plexechinus spectabilis (oral plating) Description Oral plate pattern. The labrum (1) is separated from the sternal plate (2) by two ambulacral plates.Scale 10 mm. Author Mooi, Rich JPG file - 76.58 kB - 709 x 909 pixels added on 2009-02-23215 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Mooi, Rich Click here to return to the thumbnails overview