Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Histocidaris formosa (oral) Description Oral side: The oral primaries are curved and conspicuously serrated.Diameter 71 mm; Siquijor, Philippines. Author Schultz, Heinke JPG file - 191.92 kB - 945 x 1 259 pixels added on 2011-02-23214 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview