Class. Sub-Class. Grade. Order. Sub-Order. Family. ANTHOZOA = ACTINOZOA (pp. 249, 326) +-- ALCYONARIA (p. 329) | +-- PROTOALCYONACEA (p. 342) | | +-- Haimeidae (p. 342). | +-- SYNALCYONACEA (p. 342) | +-- Stolonifera (p. 342) | | +-- Cornulariidae (p. 344). | | +-- Clavulariidae (p. 344). | | +-- Tubiporidae (p. 344). | | +-- _Favositidae_ (p. 344). | +-- Coenothecalia (p. 344) | | +-- _Heliolitidae_ (p. 346). | | +-- Helioporidae (p. 346). | | +-- _Coccoseridae_ (p. 346). | | +-- _Thecidae_ (p. 346). | | +-- _Chaetetidae_ (p. 346). | +-- Alcyonacea (p. 346) | | +-- Xeniidae (p. 348). | | +-- Telestidae (p. 348). | | +-- Coelogorgiidae (p. 349). | | +-- Alcyoniidae (p. 349). | | +-- Nephthyidae (p. 349). | | +-- Siphonogorgiidae (p. 349). | +-- Gorgonacea (p. 350) | | +-- Pseudaxonia (p. 350) | | | +-- Briareidae (p. 350). | | | +-- Sclerogorgiidae (p. 351). | | | +-- Melitodidae (p. 351). | | | +-- Coralliidae (p. 352). | | +-- Axifera (p. 353) | | +-- Isidae (p. 353). | | +-- Primnoidae (p. 354). | | +-- Chrysogorgiidae (p. 355). | | +-- Muriceidae (p. 355). | | +-- Plexauridae (p. 356). | | +-- Gorgoniidae (p. 356). | | +-- Gorgonellidae (p. 357). | +-- Pennatulacea (p. 358) | +-- Pennatuleae (p. 361) | | +-- Pteroeididae (p. 361). | | +-- Pennatulidae (p. 361). | | +-- Virgulariidae (p. 362). | +-- Spicatae (p. 362) | | +-- Funiculinidae (p. 362). | | +-- Anthoptilidae (p. 362). | | +-- Kophobelemnonidae (p. 362). | | +-- Umbellulidae (p. 362).