Platyhelminthes are best described as
Flatworms , triploblastic , acoelomate
Flatworms , diploblastic . acoelomate
Flatworms , Triploblastic , coelomate
Flatworms , triploblastic , pseudocoelomate
As we have learned
Phylum Platyhelminthes (Flat Worms) -
Free living, commensal or parasite with dorsoventrally flattened body, bilaterally symmetrical, triploblastic and acoelomate.
Eg. Taenia, Fasciola