vertical classification
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 12:10, 10 September 2013 by Andreas Plank (Talk | contribs) (1 revision: import_definition-left-simple)
vertical classification: Classification focusing on common descent, tending to unite ancestral and descendant groups of a phyletic line into a single higher taxon, thereby separating them from contemporaneous taxa having reached a similar grade of evolutionary change.
See also: horizontal classification
