There are over 20 phyla recognized by taxonomists, but the major ones are
Porifera - sponges
Cnidaria - jellyfish, sea anemones, coral
Ctenophora - comb jellies
Patyhelminthes - flatworms
Nematoda - roundworms
Annelida - segmented worms
Mollusca - clams, snails, squid, slugs
Arthropoda - crabs, lobsters, Spiders, insects
Nemertea - ribbon worms
Vertebrata - fish, amphibians, reptiles, birds, and mammals
Sponges
Phyla is the plural of phylum. One phylum, many phyla.
Do you mean, 'How many phyla are there on Earth?' There are more than 20 phyla of bacteria, over 30 phyla of animals and 12 phyla of plants. Fungi and protists, who knows.....? Add up all these phyla, and you can see there is quite a lot.
Cnidaria
phyla?
There are four major phyla's of animal-like protists. These four are sarcodina, ciliophora, sporozoa, mastigophora. With ciliophora being the main one.
the order of the phyla are porifera,annelida Cnidaria,and Echinodermata and many more.
flat worms,segmented worms, and round worms.
Bdinophytes
Yes
The difference between the major phyla of vertebrates include chordates possess a hollow dorsal nerve tube, flexible rod-like axial skeletal structure, have gill slits or pharyngeal clefts and a tail
There are more than two phyla in the animal kingdom... There are many phyla in the animal kingdom. There are a few phyla of worms and other invertebrates and then you have the vertebrate ohyla. Unless that's what your asking? Did you want the invertebrate and vertebrate in general phyla? That's the only set of 2 things I can think of.