Zofia Kielan-Jaworowska, Richard L. Cifelli, and Zhe-Xi Luo, Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure (New York: Columbia University Press, 2004), 249.
参考文献
^Luo, Z.-X.; Kielan-Jaworowska, Z.; Cifelli, R.L. In quest for a phylogeny of Mesozoic mammals. Acta Palaeontologica Polonica. 2002, 47 (1): 1–78.