The term "subphylum Vertebrata" refers to a classification of animals that possess a vertebral column or backbone. Synonyms for this term include "craniata" which refers to the presence of a skull, "Vertebrado" which is the Spanish equivalent, and "backboned animals" which is used in everyday language to describe this group of animals. Other synonyms include "Chordata" which refers to the presence of a notochord, and "phylum vertebrata" which indicates the higher taxonomic grouping of these animals within the animal kingdom. These synonyms are useful for scientific communication and understanding the relationships between different groups of animals.