Yes. Coelenterates are the same as Cnidaria.
Its Phylum coelenterata
Due to their similarities, it was originally considered that both comb jellies and cnidarians went in the Phylum Coelenterata. However, these days, comb jellies are considered as Phylum Ctenophora and cnidarians as a separate phylum Phylum Cnidaria. Cnidaria includes box jellies, jellyfish, hydra, sea anemones and corals.
the scintific name of sea fan which belongs to phylum coelenterata (cnidaria) is gorgonia
calcified rocks \
phylum :Cnidaria class : Anthozoa order : gorgonacida
Jellyfish are in the Phylum: Cnidaria
The phylum of the box jellyfish is Cnidaria. The kingdom for the box jellyfish is animalia and the class is Cubozoa.
There are hundreds if not thousands of species in the phylum Cnidaria.
CnidariaPhylum: Cnidariaits in the cnidaria phylum
Phylum Cnidaria
The largest class in the phylum Cnidaria is the class Anthozoa, which includes species such as corals and sea anemones. These are typically sessile (non-moving) organisms that can form large colonies and play important roles in marine ecosystems.
Usually stinging cells belong to the phylum Cnidaria