A Lance didelphid molar, with comments on the problems of the Lance therians / William D. Turnbull --

v.10:no.36(1960)

A new central Brazilian genus and species of sigmodontine rodent (Sigmodontinae) transitional between akodonts and oryzomyines : with a discussion of muroid molar morphology and evolution / Philip Hershkovitz.

n.s. no.75(1993)

Early cretaceous mammals and the evolution of mammalian molar teeth / Bryan Patterson --

v.13:no.1(1956)