Phylogenetic classification has two main advantages over the Linnaean system.
-First, phylogenetic classification tells you something important about the organism: its evolutionary history.
-Second, phylogenetic classification does not attempt to "rank" organisms.
Linnaean classification "ranks" groups of organisms artificially into kingdoms, phyla, orders, etc. This can be misleading as it seems to suggest that different groupings with the same rank are equivalent.