IMIS Photogallery » References Prionocidaris baculosa (primary spines)
Description a. Spine with encrusting organisms (Philippines). b. The long, banded and pointed spine comes from the margin, the two shorter ones with the widened ends are from the oral side (Philippines). c. Dark, strongly spindle-shaped spine with coarse thorns at the lower part of the shaft (lle de la Réunion). d. Two spindle-shaped spines with conspicuous thorns at the upper side, the underside has only granules (Japan). e. Two dark spines, only slightly tapering distally and with few, small thorns (Philippines). Author Schultz, Heinke JPG file - 195.21 kB - 941 x 1 180 pixels added on 2005-02-23 305 views From reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click
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