Evolution of the earliest mammals shows successive episodes of diversification. Lineage-
splitting in Mesozoic mammals is coupled with many independent evolutionary experiments …

Embracing more than 5,000 genera, distributed in 425 families and 46 orders, Malcolm C.
McKenna and Susan K. Bell's Classification of Mammals is the most comprehensive work to …

ABSTRACT A review of all described species referred to Leidyosuchus recognizes six valid
taxa: Leidyosuchus canadensis, L. multidentatus, L. sternbergii, L. formidabilis, L. wilsoni …

Mammals are the dominant large animals of today, occurring in virtually every environment.
This book is an account of the remarkable 320 million year long fossil record that documents …

The first fossil chordates are found in deposits from the Cambrian period (545–490 million
years ago), but their earliest record is exceptionally sporadic and is often controversial …

The current literature on marsupial phylogenetics includes numerous studies based on
analyses of morphological data with limited sampling of Recent and fossil taxa, and many …

We propose a phylogeny of all major groups of Mesozoic mammals based on phylogenetic
analyses of 46 taxa and 275 osteological and dental characters, using parsimony methods …

Maelestes gobiensis, is the second new eutherian mammal to be named from the rich
Mongolian Late Cretaceous locality of Ukhaa Tolgod, Ukhaatherium nessovi, being the first …

A new symmetrodont mammal has been discovered in the Mesozoic era (Late Jurassic or
Early Cretaceous period) of Liaoning Province, China. Archaic therian mammals, including …

The evolution of tribosphenic molars is a key innovation in the history of Mammalia.
Tribospheny allows for both shearing and grinding occlusal functions. Marsupials and …