It is correct that lophotrochozoan includes both the lophophore (a specialized feeding gear with ciliated tentacles) and the larval trochophore stage.
Have all lophotrochozoans evolved a lophophore?
The larvae of lophotrochozoans, as this group of organisms, is called, may take the form of trochophores or lophophores. It is not quite obvious how the different phyla are connected to one another.
In which phyla do you find the Lophotrochozoa clade?
The Lophotrochozoa, or crest or wheel animals, are a superphylum composed of five phyla: the Platyhelminthes, Rotifera, Nemertea, Mollusca, and Annelida. These groups of animals span the whole spectrum from flatworms to squids. A coelom is housed within a feeding apparatus that resembles a crown of tentacles and is held on a ridge or fold in the body wall. The Phyla that Have Lophophores. Choreocysts, Brachiopods, and Cephalopods.
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