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

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 …

Bats are among the most recognizable, numerous, and widespread of all mammals. But
much of their fossil record is missing, and bat origins remain poorly understood, as do the …

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

Bats form a diverse group of mammals that are highly specialized in active flight and
ultrasound echolocation. These specializations rely on adaptations that reflect on their …

Laryngeal echolocation in bats could have evolved following two scenarios: a single origin
from a common ancestor or an independent acquisition inside the two clades …

Alcidedorbignya inopinata is a basal pantodont (Placentalia, Mammalia) of small body size,
from the early Palaeocene of the Santa Lucia Formation at Tiupampa, Bolivia. Tiupampa is …

We report a new Jurassic docodontan mammaliaform found in China that is preserved with
the hyoid bones. Its basihyal, ceratohyal, epihyal, and thyrohyal bones have mobile joints …

The homologies of mammalian skull elements are now fairly well established, except for the
controversial interparietal bone. A previous experimental study reported an intriguing mixed …