no. they belong to the phylum echinodermata organisms like turbellaria and flatworm belong to platyhelminthes
Porifera
Porifera are sponges.
Platyhelminthes
Insects, arachnids (spiders, scorpions), crustaceans (crabs, shrimp), and myriapods (millipedes, centipedes) belong to the phylum Arthropoda. This phylum is characterized by having jointed legs and a hard exoskeleton.
Phylum. Organisms in the same class belong to the same phylum, which is a higher taxonomic rank that groups organisms based on shared characteristics.
Phylum (Chordata), as class is located at a lower taxonomic level than phylum for classification of organisms.
Organisms that belong to the same class must also belong to the same phylum. Classes are subdivisions of phyla in the classification hierarchy of organisms.
Define the term Species. If two organisms belong to the same family, what other classification levels do they have in common with one another. They also belong to the same kingdom, phylum, class and order.
Vertebrates belong to the phylum Chordata. This phylum includes organisms with a notochord (flexible rod) at some stage in their development, as well as a dorsal nerve cord and pharyngeal slits. Vertebrates are characterized by having a vertebral column, which gives them their name.
The "true yeasts" are in phylum Ascomycota. There are some organisms commonly called "yeast" in Basidomycota as well.
The phylum bulldogs belong in is, Chordate.