Phylum

[Sarah]

One of the larger divisions of the animal kingdom; a branch; agrand division.

[Sarah]

A class or a rank of some kind, used in describing the structures and descents within the animal world (or plant).

[Dorothey Allen]

a main division in a taxonomic (= scientific naming and organization system) relating to animals:

[Lizzy Liz]

A principal taxonomic category that ranks above class and below kingdom.