69 
WILLIAMS & CHEN: GORGONIANS AND PENNATULACEANS 
OF THE VERDE ISLAND PASSAGE 
■ The Coral Triangle 
■ Wallacea 
■ Shared Boundary 
Octocorals 
3400 (64%) 
Hydrocorals 
(Milleporines 
and Stylasterines) 
250 (4%) 
Antipatharians 
250 (4%) 
Hermatypic \ 
750 (14%) \ 
Ahermatypic 
700 (13%) 
Scleractinians 
1450 (27%) 
Figure 2. A. Map of the tropical western Pacific showing delineation of Wallacea and the Coral Triangle. Boundaries 
adapted from Conservation International (2010), Hoeksema (2007), and Veron et al. (2009). B. Pie chart showing compar¬ 
ative species diversity of extant corals, estimated 5350 total species of corals worldwide. Adapted from Williams and 
Cairns, 2013 
