title: Turtles all the way down: loggerheads at the root of the chelonian tree.
authors.affiliation: Department of Geology and Geophysics, Yale University, New Haven, CT 06520, USA.
authors.forename: Tyler
authors.initials: T
authors.lastname: Lyson
authors.forename: Scott F
authors.initials: SF
authors.lastname: Gilbert
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002681:China; D004463:Ecology; D010163:Paleontology; D010802:Phylogeny; D014426:Turtles / Q000235:genetics*