Florideophyceae was a class of red algae. It's now merged with the Bangiaceae into the Rhodophyceae. They were once thought to be the only algae to bear pit connections, but these have since been found in the filamentous stage of the Bangiacae. Once thought only to exhibit apical growth, some genera grow by intercalary growth. Most, but not all, genera have three phases to the life cycle. Classification The class contains the following orders: Acrochaetiales Ahnfeltiales Balbianiales Ball… (More on Florideophyceae)