The Cheloniidae are a family of sea turtles belonging to the sea turtle superfamily Chelonioidea. It was named by Nicolaus Michael Oppel in 1811. ==Classification== ===Extant genera=== === Cladogram === Below is a cladogram showing the phylogenetic relationships of living and extinct sea turtles in the family Cheloniidae based on Lynch and Parham ... Found on http://en.wikipedia.org/wiki/Cheloniidae
(from the article `sea turtle`) any of seven species of marine turtles belonging to the families Dermochelyidae (leatherback sea turtles) and Cheloniidae (green turtles, flatback ... Found on http://www.britannica.com/eb/a-z/c/62