Following our traditional concept of Mammalia, and thus including a number of forms known
only by fossils of the Mesozoic, the earliest mammals are from the Late Triassic, a bit over …

This report summarizes a decade of morphological and molecular research on the
phylogenetic relationships of didelphid marsupials (opossums), a substantially intact …

Placental mammals occupy a larger morphospace and are taxonomically more diverse than
marsupials by an order of magnitude, as shown by quantitative and phylogenetic studies of …

Bony position, occlusal relationships, and tooth replacement have been the criteria most
commonly used for assessing mammalian dental homologies, since first proposed by Owen …

In order to test the results of a previous study of didelphid marsupial phylogeny based on
IRBP nuclear gene sequences (Jansa and Voss, 2000. Phylogenetic studies on didelphid …

The Cretaceous/Tertiary (K/Pg) mass extinction has long been viewed as a pivotal event in
mammalian evolutionary history, in which the extinction of non-avian dinosaurs allowed …

ABSTRACT Gobiconodon ostromi, sp. nov., described from two partial skeletons collected
from the Cloverly Formation in southcentral Montana, is closely related to Gobiconodon …

Field work recently completed in the Lake Eyre Basin, South Australia, has resulted in the
development of a land mammal (marsupial) biostratigraphy of the Etadunna Formation …

The four different assemblages of marsupial dasyuroid carnivores in Australia, comprising
four species on the island of Tasmania and three different two‐species assemblages on the …

Cladistic methodology is used to test the hypothesis that three major monophyletic groups
exist among living mammals—the oviparous monotremes (Prototheria), and the viviparous …