Presence of stinging capsules called nematocysts is a feature of organisms belonging to which Phylum: A. Platyhelminthes B. Coelenterata C. Porifera D. Echinodermata
Option B nematocyst, minute, elongated, or spherical capsule produced exclusively by members of the phylum Cnidaria (e.g., jellyfish, corals, sea anemones). Several such capsules occur on the body surface.
