INVERTEBRATE ZOOLOGY - H. I. Shcherbak - 2008
KINGDOM MULTICELLULAR ANIMALS (METAZOA)
SUBKINGDOM TRUE METAZOANS (EUMETAZOA)
SECTION TRIPLOBLASTIC (TRIPLOBLASTICA) OR BILATERAL (BILATERIA) ANIMALS
SUBSECTION SPIRALIA (SPIRALIA)
PHYLUM FLATWORMS (PLATHELMINTHES)
SUBPHYLUM NEODERMATA (NEODERMATA)
A group of exclusively parasitic flatworm classes in which the ciliated integumentary epithelium has been replaced by a novel covering, the tegument.
Last update: 13/08/2026
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