1 literature reference for Actinemys marmorata HOLMAN 2001:

Author: Holman, J. Alan; Fritz, Uwe
Year: 2001
Title: A new emydine species from the Middle Miocene (Barstovian) of Nebraska, USA with a new generic arrangement for the species of Clemmys sensu McDOWELL (1964).
Source: Zoologische Abhandlungen (Dresden) 51(2):331-353