Pflanzenreich Haeckel (1866) - plants Division Euthallophyta Subdivision Euphyceae Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901) Subclass Florideae Series Cryptonemiales Schmitz (1892) 1 Family Gloiosiphoniaceae 2 Family Grateloupiaceae 3 Family Dumontiaceae Bory (1828) 4 Family Nemastomaceae 5 Family Rhizophyllidaceae Schmitz (1889) 6 Family Squamariaceae see Family Peyssonneliaceae Denizot (1968) 7 Family Corallinaceae Lamouroux (1816)