sentences:  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.According to the latest research, "Albumates" was a soft-bodied benthic organism that temporarily attached (but did not adhere) to the substrate of its habitat (microbial mats).This fossil typically displays as an imprint of the upper side of the animal's body, and often some elements of its internal structure can be discerned.