Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Histocidaris (tridentate pedicellariae) Description Left: Histocidaris nuttingi: The valves of the tridentate pedicellariae are long and slender. Right: Histocidaris sharreri: The valves of the tridentate pedicellariae are broad and triangular.Scale 3 mm. Author Schultz, Heinke JPG file - 19.09 kB - 336 x 591 pixels added on 2011-02-23642 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview