^G. Baur: Über den Ursprung der Extremitäten der Ichthyopterygia. In: Jahresberichte und Mitteilungen des Oberrheinischen geologischen Vereines20, 1887, S. 17–20
^Li, Chun; Xiao-Chun Wu, Olivier Rieppel, Li-Ting Wang & Li-Jun Zhao. An ancestral turtle from the Late Triassic of southwestern China. Nature. 2008-11-27, 456: 497–501. doi:10.1038/nature07533.引文使用过时参数coauthors (帮助)
^Reisz, Robert R.; Jason J. Head. Palaeontology: Turtle origins out to sea. Nature. 2008-11-27, 456: 450–451. doi:10.1038/nature07533.引文使用过时参数coauthors (帮助)
^E. S. Gaffney: The Comparative Osteology of the Triassic Turtle Proganochelys. In Bulletin of the AMNH194, 1990, S. 1–263
^F. A. Jr. Jenkins, N. H. Shubin, W. W. Amarel, S. M. Gatesy, C. R. Schaff, L. B. Clemmensen, W.R. Downs, A. R. Davidson, N. C. Bonde & F. Osbæck: Late Triassic continental vertebrates and depositional environments of the Fleming Fjord Formation, Jameson Land, East Greenland. In Meddelelser om Grønland, Geoscience32, 1994, S. 1–25
^E. Buffetaut & V. Suteethom: The geographical significance of the mesozoic vertebrates from Thailand. In Biogeography and Geological Evolution of SE Asia, Backbuys Publishers, Leiden 1998, S. 83–90.
^M. Mlynarski: Testudines. Handbuch der Paläoherpetologie, Part 7. Verlag Dr. Friedrich Pfeil, 1976, S. 1-129.
