A phylum (plural: phyla) is the second highest rank used in the biological taxonomy of all organisms. The highest rank is kingdom. However, since genome analysis, groups of phyla have been put together based on evolutionary relationships. These are informal, not part of the standard classification.
Phylum is Phillip in the mnemonic (a saying to help a person remember something), "King Phillip Came Over From Great Spain", or something similar.
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|The Simple English Wiktionary has a definition for: phylum.|