de la terre et des planètes 319(2):1563–1568. Larsson, H. C. E. and ChristianSidor (1999). Unusual crocodyliform teeth from the Late Cretaceous (Cenomanian)
American Philosophical Society, new series, 52: 1–224. Bruce Rubidge & ChristianSidor 2001, Evolutionary patterns among Permo-Triassic therapsids. Annual