Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Brissopsis parallela (petaloid area) Description Petaloid area: The posterior paired petals are parallel, hardly diverging.Length 37 mm. Author Schultz, Heinke JPG file - 46.95 kB - 698 x 729 pixels added on 2009-02-23194 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke Click here to return to the thumbnails overview