A dentist is the health care professional who specializes in the diagnosis, prevention, and treatment of diseases and conditions of the oral cavity (including the teeth, gums and other soft and hard tissues of the mouth). Dentists, also known as 'dental surgeons', help us maintain a bright healthy smile.
The dogfish sharks are classified in the phylum Chordata Chordata, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development.
Fish, the member of the Animalia Kingdom is classified into Phylum Chordata and Vertebrata Subphylum.Fishes poses notochord, tubular nerve chord, paired gills, segmentation of the body parts, post anal tail, ventral heart, and an endoskeleton to be the member of the Chordata.harks and rays; sturgeon and gars; herring-like fishes; trout and salmon; eels, minnows, suckers, and catfish; flying fish and relatives; cod-like fish; flatfish; seahorses and relatives; mullets, silversides, and barracuda; and mackerels and tunas are the main group of fishes. Agnathan.