Alternative classification

Kielan-Jaworowska, Z., Cifelli, R.L. & Luo, Z.-X. 2004 (alt.). Cladistic Classification. Mammals from the Age of Dinosaurs: tables 1.1 (pp. 14-15), 4.1 (p. 164), 9.1 (p. 344), 10.1 (p. 379).

Original Classification (root)