INVERTEBRATE ZOOLOGY IN THREE VOLUMES - VOLUME 1 - G.Y. Shcherbak - 1995
SUBKINGDOM PROTOZOA, OR UNICELLULAR ANIMALS
Subphylum Mastigophora, or Flagellata
PHYLUM CILIATED PROTOZOA, OR CILIOPHORA
SUBKINGDOM METAZOA
CLASS CALCAREOUS SPONGES (CALCISPONGIA OR CALCAREA)
CLASS GLASS SPONGES, OR HEXACTINELLIDA (HYALOSPONGIAE)
PHYLUM CNIDARIA (OR COELENTERATA)
CLASS SCYPHOZOA (SCYPHAMEDUSAE)
Subclass Alcyonaria (or Octocorallia)