Distribution: Isla Pastores, Cristobal, Popa, Cayo Agua, Colón, Carenero, Bastimentos, Solarte, Península de Valiente y Río Calovébora. Characteristics: Colonies tall, branching of 2 Â 3 cm thick. Color brown. Bushy in multiple planes and not flattened. Apertures slit-like and calyces prominent. Spicules of axial sheath, middle and outer rind, surface layer and anthocodial rods.