Gene trees, species trees, and morphology converge on a similar phylogeny of living gars (Actinopterygii: Holostei: Lepisosteidae), an ancient clade of ray-finned fishes.
Wright JJ, David SR, Near TJ. Mol Phylogenet Evol. 2012 Jun; 63(3):848-56. Epub 2012 Mar 14.