Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Arachnoides placenta (aboral) Description Aboral side: The test is very densely covered in short spines.Length 39 mm; Krabi, Thailand. Author Schultz, Heinke JPG file - 237.11 kB - 900 x 892 pixels added on 2005-02-23635 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview