Actinemys is a small genus of turtles in the family Emydidae."Actinemys ". The Reptile Database. www.reptile-database.org . The genus is endemic to the west coast of North America. The genus contains two species.
Species The following two species are recognized as being valid. Actinemys marmorata – northwestern pond turtle, northern Pacific pond turtle Actinemys pallida – southwestern pond turtle, southern Pacific pond turtle
Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Actinemys.
Taxonomy Both species are sometimes included in the genus Emys (sensu lato). Actinemys pallida, the southwestern pond turtle, has been a recent split from Actinemys marmorata, of which it was previously considered a subspecies.
References
Further reading Agassiz L (1857). Contributions to the Natural History of the United States. Vol I. Boston: Little, Brown and Company. li + 452 pp. (Actinemys, new genus, p. 444).