cladogram

From clado- +‎ -gram.

cladogram (plural cladograms)

1. (taxonomy) A branching treelike graphical representation of the phylogenetic relationships between organisms showing which taxa have branched from common ancestors.
   • 2000, Richard Fortey, ‘No Such Thing as a Fish’, London Review of Books, vol. 22 no. 13:

     Hard though it may seem to associate avian elegance with cumbersome and ferocious behemoths this was the story told by the cladograms, revealed by interpreting the bones of the famous old bird Archaeopteryx unfettered by preconceived notions.

2. (phylogenetics) A phylogenetic tree that is strictly the outcome of a cladistic analysis.