The Chelydridae have a long fossil history, with extinct species reported from North America as well as all over Asia and Europe, far outside their present range.

Chelydridae is composed of three species in monotypic genera- Macrochelys temminckii (alligator snapping turtle), Chelydra serpentina (common snapping turtle), and Platysternon …

Chelydridae is most closely related to Platysternidae, the family of the big-headed turtles. Some authors have considered the two groups as subfamilies in the same family, although molecular …

Chelydridae is a family of seven extinct and two extant genera of large freshwater turtles originating from the western hemisphere.

Chelydridae is a family of freshwater turtles in the order Testudines, commonly known as snapping turtles due to their powerful, hooked jaws adapted for snapping at prey and defense.

Snapping turtles are found continuously in North America from eastern Canada and New England to the Rockies, and they are also found in pockets from Mexico and Central America to …

The list of species of Chelydridae family. The Chelydridae is a family of turtles that has seven extinct and two extant genera. The extant genera are the snapping turtles, Chelydra and …

Apr 22, 1989 · Chelydridae is defined as a family of turtles that is noted for its distinct global distribution, which can be contrasted with that of other turtle families such as Emydidae.

Below is a list of additional information and media on this taxon. You can further refine your results, or enter a search term below. Working with others to conserve, protect and enhance …

There are only two living genera, Chelydra and Macroclemys. Several fossil species are recognized, although only four species are extant.