Cluster of sea urchin-shaped corals white in colour. Sl177/37 SEPTEMBER 8, 2023 BY ANONYMOUS Download PDF (2MB) PEIN Date Created Wed, 10/07/2015 - 03:00 PEIN Date Modified Mon, 02/03/2020 - 20:47 PEIN Notes Slide 37 of 58 Record id 77159 Publication Date 1993