Plastic debris in the marine environment is widely documented, but the quantity of plastic
entering the ocean from waste generated on land is unknown. By linking worldwide data on …

Placentals are the most abundant mammals that have diversified into every niche for
vertebrates and dominated the world's terrestrial biotas in the Cenozoic. A critical event in …

Squirrels of the World, written by scientists with more than 100 years of collective experience
studying these popular mammals, is the first comprehensive examination of all 285 species …

Primates are the most visually adapted order of mammals. There is a rich history within
anthropology of proposed explanations for the adaptive significance of binocular vision …

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

The importance of locomotion to evolutionary fitness has led to extensive study of primate
locomotor behavior, morphology and ecology. Most previous research has focused on adult …

Among mammals, the order Primates is exceptional in having a high taxonomic richness in
which the taxa are arboreal, semiterrestrial, or terrestrial. Although habitual terrestriality is …

Stem mammaliaforms are Mesozoic forerunners to mammals, and they offer critical evidence
for the anatomical evolution and ecological diversification during the earliest mammalian …

A new docodontan mammaliaform from the Middle Jurassic of China has skeletal features
for climbing and dental characters indicative of an omnivorous diet that included plant sap …

A major unsolved problem in mammalian evolution is the origin of Allotheria, including
Multituberculata and Haramiyida,,,,. Multituberculates are the most diverse and best known …