Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Paleopneustes cristatus (oral plating) Description Oral plate pattern: The labral plate extends to the third adjoining ambulacral plate, the first and second being very low. Author Agassiz, Alexander JPG file - 490.52 kB - 1 181 x 1 393 pixels added on 2009-02-23186 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Agassiz, Alexander Click here to return to the thumbnails overview