- (PDF) on 2012-03-21. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
- Tri****ic
Therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144. Amalitzky, V.P. (1927). "The
Northern Dvina therocephal Anna...
- 969400. S2CID 83554630. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
-
Caodeyao from
China instead. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
- deep and
curved upward. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
- 1080/00222935408651711. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
- PMC 7261480. PMID 32523808. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
-
related to C****osaurus. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
- 1134/S0031030111060025. S2CID 84563146. Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal. 45 (9): 981–1144...
-
Paleontology portal Ivakhnenko, M.F. (2011). "Permian and Tri****ic
therocephals (Eutherapsida) of
Eastern Europe".
Paleontological Journal 45 (9): 981–1144...