Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Colobocentrotus mertensii (oral) Description Oral side: On the oral side the spines are short and slender.Largest diameter with spines 66 mm; Guam. Author van Noordenburg, Henk JPG file - 228.91 kB - 1 086 x 928 pixels added on 2011-02-23283 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 van Noordenburg, Henk Click here to return to the thumbnails overview