A Species-Level Phylogeny of Extant Snakes with Description of a New Colubrid Subfamily and Genus Figueroa, Alex ; McKelvy, Alexander D. ; Grismer, L. Lee ; Bell, Charles D. ; Lailvaux, Simon P. Abstract Publication: PLoS ONE Pub Date: September 2016 DOI: 10.1371/journal.pone.0161070 Bibcode: 2016PLoSO..1161070F