Cluster of coral growing separately from each other. Resembles the shape of a tree trunk. SL179/20 SEPTEMBER 8, 2023 BY ANONYMOUS Download PDF (2MB) PEIN Date Created Wed, 10/07/2015 - 02:56 PEIN Date Modified Mon, 02/03/2020 - 20:44 PEIN Notes Slide 20 of 55 Record id 76935 Publication Date 1993