Bernardodon was a small, Lower Cretaceousmammal from Portugal. It is part of the extinct order Multituberculata, living at the same time as the dinosaurs. Differs from Pinheirodon in having I3 wider and more robust; on P5 the cusps of BB row do not extend for the whole tooth length.
References
Hahn & Hahn (1999), "Pinheirodontidae n. fam. (Multituberculata) (Mammalia) aus der tiefen Unter-Kreide Portugals". Palaeontographica Abt. A Vol. 253, pp. 77–222.
Kielan-Jaworowska Z & Hurum JH (2001), "Phylogeny and Systematics of multituberculate mammals". Paleontology44, p. 389-429.