Triploblastic, bilaterally symmetrical psuedocoelomate among the following is
Animals that belong to phylum Platyhelminthes are bilaterally symmetrical, triploblastic and pseudocoelomate animals.
The following are examples of phylum Aschelminthes
Ascaris (Roundworm), Wuchereria (Filaria worm), Ancylostoma (Hookworm).