Phylogenetic position of Symbiodinium (Dinophyceae) isolates from tridacnids (Bivalvia), cardiids (Bivalvia), a sponge (Porifera), a soft coral (Anthozoa), and a free-living strain - Carlos, A A; Baillie, B K; Kawachi, M; Maruyama, T (J Phycol, 1999)