In pursuit of early mammals

Introduction

Methods : collecting materials and establishing relationships

Paleontological exploration of Mongolia by American, Japanese, Soviet, and Russian expeditions, including the Mongolian Academy/American Museum and Mongolia/Japan joint expeditions

The Polish-Mongolian Paleontological Expeditions, 1963-1971, and the Nomadic Expedition, 2002

Origins of mammals and the earliest representatives of mammaliaforms and mammals

Haramiyidans and probable related forms

Docodontans

Eutriconodontans

Monotremes and the issue of Australosphenida and Tribosphenida

Multituberculates and gondwanatherians

"Symmetrodontans"

"Eupantotherians" and the origin of tribosphenic and pseudotribosphenic molars

Tribotheria, Metatheria, and the issue of the Deltatheroida

Eutherian and placental mammals

Aspects of paleobiology of mammaliaforms and early mammals

Diversification of mammaliaforms and Mesozoic mammals : a summary.