phylum coelenterata การใช้

• Cnidarians were formerly grouped with ctenophores in the phylum Coelenterata, but increasing awareness of their differences caused them to be placed in separate phyla.
• Originally, Trilobozoa was established as a class within the phylum Coelenterata, but since Coelenterata was divided into separate phyla-Cnidaria and Ctenophora-the Trilobozoa have been transferred to rank of phylum.
• Originally, Trilobozoa was erected as a separate class in the phylum Coelenterata, but since Coelenterata was divided into separate phyla Cnidaria and Ctenophora, the Trilobozoa have been transferred to the rank of phylum.
• Originally, Trilobozoa was established as a class in the phylum Coelenterata, but since Coelenterata has been divided into two separate phyla, Cnidaria and Ctenophora, Trilobozoa itself has been promoted to the rank of phylum.
• Diploblastic organisms are organisms which develop from such a blastula, and include cnidaria and ctenophora, formerly grouped together in the phylum Coelenterata, but later understanding of their differences resulted in their being placed in separate phyla.