What is another word for subphylum?
Pronunciation: [sˈʌbfa͡ɪləm] (IPA) 
Subphylum refers to the taxonomic rank that falls below phylum. There are several synonyms for this term that may be used in place of subphylum. For instance, the term sub-class may be used to refer to a group of organisms that belong to a lower taxonomic rank than class. Additionally, the term infraphylum can be used to refer to a group of organisms that fall below the rank of phylum. Other potential synonyms for subphylum include cohort, grade, and superorder. Each of these terms represents a different level in the system of taxonomy used to classify organisms, and they can all be used interchangeably depending on the context in which they are being used.
