To discover interordinal relationships of living and fossil placental mammals and the time of
origin of placentals relative to the Cretaceous-Paleogene (K-Pg) boundary, we scored 4541 …

The supraordinal mammalian clade Afrotheria was first recognized in its entirety based on
DNA analysis dating to the mid-1990s. Since then, this “African clade”, which includes …

A major challenge for current evolutionary and developmental biology research is to
understand the evolution of morphogenesis and the mechanisms involved. Teeth are well …

Mitochondrial uncoupling protein 1 (UCP1) is essential for nonshivering thermogenesis in
brown adipose tissue and is widely accepted to have played a key thermoregulatory role in …

Résumé D'importantes avancées paléontologiques récentes ont été faites sur l'évolution
des proboscidiens, particulièrement sur les débuts de leur histoire. De nouvelles …

In this paper, we describe four fossil rodent taxa from two new localities situated in the Idam
Unit ('Bioturbated Unit') of the Dur At-Talah escarpment in central Libya. These rodents …

Microstructural features of the mammalian tooth enamel are rarely used to construct
phylogenies, although macromorphological characters of the dentition figure prominently in …

The Fayum has yielded one of the oldest and richest records of fossil mammals from Africa.
Today, the Fayum Depression represents an oasis in the Western Desert of Egypt, south of …

Background Desmostylia is a clade of extinct aquatic mammals with no living members.
Today, this clade is considered belonging to either Afrotheria or Perissodactyla. In the …

A long hiatus encompassing most of the Eocene (end of the Ypresian to the early
Priabonian) breaks up the proboscidean evolutionary history, which is otherwise …