Stylophora -2- 
Generic diagnosis » 
Corallum arborescent, palmate or encrusting* Oalices with 
a styliform columella. Septa, six principal that reach the 
columella, second cycle smaller and may be rudimentary or absent, 
occasionally third cycle represented by rudimentary septa. 
Coenenchyma between corallites sub-compact, granulated, often 
ridged. Costae rudiment ary or small* Dissepimental endotheca 
present, internal cavity frequently obliterated. Asexual repro- 
duction by lateral or intercalicular gemmation. 
Duncan in his papers on the Fossil Corals of the West 
Indies either describes as new or lists the following species; 
