The Mesozoa are minuscule, worm-like parasites of marine invertebrates. Generally, these tiny, elusive creatures consist of a somatoderm (outer layer) of ciliated cells surrounding one or …

mesozoan, any of approximately 50 species of small, ciliated, multicellular animals that parasitize other marine invertebrates belonging to the phyla Rhombozoa and Orthonectida. These …

May 21, 2024 · Mesozoa are tiny, simple, worm or blob-like parasites that were once thought of as intermediates between protozoa (motile single-celled organisms) and metazoa (multicellular …

These minute, ciliated, wormlike animals represent an extremely simple level of organization. All mesozoans live as parasites in marine invertebrates, and the majority of them are only 0.5 to 7 …

Mar 2, 2020 · The mesozoa is an obsolete taxonomic term. For a long time it was a phylum of extremely simple parasitic marine worms, however the phylum has now been divided into two …

The following points highlight the Two main types of phyla present in Mesozoans. The types are: 1. Phylum Orthonectida 2. Phylum Rhombozoa. Mesozoans: Phyla Type # 1. Phylum …

The phylum Mesozoa comprises a small group of parasitic animals that are related to flatworms—a widely dispersed group of free-living and parasitic organisms. Some 50 species …

Jan 1, 2014 · Members of this phylum represent the simplest of all multicellular animals, and are characterized by tiny, wormlike, parasitic organisms having a single layer of ciliated, epithelial …

Mesozoa are endoparasites of marine invertebrates. Orthonectida live in the parenchyma of turbellarians and nemertines and in the body cavities and gonads of annelids, ophiuroids, and …

A small phylum of about 50 species of parasites of marine invertebrates with complex life cycles. Mesozoa are classified with the Metazoa, but they are regarded by some observers as …