Berman, D. S.; Henrici, A. C.; Kissel, R. A.; Sumida, S. S.; Martens, T. (2004). "A new diadectid (Diadectomorpha), Orobates pabsti, from the Early Permian of Central Germany". Bulletin of Carnegie Museum of Natural History. 35: 1–36. doi:10.2992/0145-9058(2004)35[1:ANDDOP]2.0.CO;2. S2CID86621953.
Voigt, S.; Berman, D. S.; Henrici, A. C. (2007). "First well-established track-trackmaker association of Paleozoic tetrapods based on Ichniotherium trackways and diadectid skeletons from the Lower Permian of Germany". Journal of Vertebrate Paleontology. 27 (3): 553–570. doi:10.1671/0272-4634(2007)27[553:FWTAOP]2.0.CO;2. S2CID131256847.
Berman, D. S.; Henrici, A. C.; Kissel, R. A.; Sumida, S. S.; Martens, T. (2004). "A new diadectid (Diadectomorpha), Orobates pabsti, from the Early Permian of Central Germany". Bulletin of Carnegie Museum of Natural History. 35: 1–36. doi:10.2992/0145-9058(2004)35[1:ANDDOP]2.0.CO;2. S2CID86621953.
Voigt, S.; Berman, D. S.; Henrici, A. C. (2007). "First well-established track-trackmaker association of Paleozoic tetrapods based on Ichniotherium trackways and diadectid skeletons from the Lower Permian of Germany". Journal of Vertebrate Paleontology. 27 (3): 553–570. doi:10.1671/0272-4634(2007)27[553:FWTAOP]2.0.CO;2. S2CID131256847.