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.
Phylum is quite a high taxonomic classification, bullfrogs are, like birds, mammals, fish and reptiles, in the phylum Chordata.If however you were referring to their classification at progressively lower scales it would be:Phylum: Chordata. Class: Amphibia (amphibians).onfidence votes 119. Phylum is quite a high taxonomic classification, bullfrogs are, like birds, mammals, fish and reptiles, in the phylum Chordata. If however you were referring to their classification at progressively lower scales it would be: