Authors(s)	Bickham, J. W.
Year	1981
Title	Two-hundred-million-year-old chromosomes: deceleration of the rate of karyotypic evolution in turtles. Science 212: 1291-1293.

• Cyclemys tcheponensis
• Eretmochelys imbricata
• Hieremys annandalii
• Lepidochelys kempii
• Malayemys subtrijuga
• Orlitia borneensis
• Terrapene ornata