Hartmut Haubold, Gerhard Katzung. Palaeoecology and palaeoenvironments of tetrapod footprints from the Rotliegend (Lower Permian) of central Europe. „Palaeogeography, Palaeoclimatology, Palaeoecology”. 23, s. 307-323, 1978. DOI: 10.1016/0031-0182(78)90098-6. (ang.).
Michael S. Y. Lee. Historical Burden In Systematics And The Interrelationships Of 'Parareptiles'. „Biological Reviews”. 70 (3), s. 459-547, 1995. DOI: 10.1111/j.1469-185X.1995.tb01197.x. (ang.).
Michael deBraga, Olivier Rieppel. Reptile phylogeny and the interrelationships of turtles. „Zoological Journal of the Linnean Society”. 120, s. 281–354, 1997. DOI: 10.1111/j.1096-3642.1997.tb01280.x. (ang.).
Alfred S. Romer. Diadectes an Amphibian?. „Copeia”. 1964 (4), s. 718-719, 1964. DOI: 10.2307/1441460. (ang.).
Olivier Rieppel, Robert R. Reisz. The Origin and Early Evolution of Turtles. „Annual Review of Ecology and Systematics”. 30, s. 1–22, 1999. DOI: 10.1146/annurev.ecolsys.30.1.1. (ang.).
Johannes Müller, Linda A. Tsuji. Impedance-Matching Hearing in Paleozoic Reptiles: Evidence of Advanced Sensory Perception at an Early Stage of Amniote Evolution. „PLoS ONE”. 2 (9), s. e889, 2007. DOI: 10.1371/journal.pone.0000889. (ang.).
Sean P. Modesto, Diane M. Scott, Robert R. Reisz. A new parareptile with temporal fenestration from the Middle Permian of South Africa. „Canadian Journal of Earth Sciencies”. 46, s. 9–20, 2009. DOI: 10.1139/E09-001. (ang.).
Tyler R. Lyson, Gabe S. Bever, Bhart-Anjan S. Bhullar, Walter G. Joyce, Jacques A. Gauthier. Transitional fossils and the origin of turtles. „Biology Letters”. 6 (6), s. 830-833, 2010. DOI: 10.1098/rsbl.2010.0371. (ang.).
