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A Jurassic eutherian mammal and divergence of marsupials and placentals
TLDR
This mammal has scansorial forelimb features, and provides the ancestral condition for dental and other anatomical features of eutherians, reducing and resolving a discrepancy between the previous fossil record and the molecular estimate for the placental–marsupial divergence.
Plumage Color Patterns of an Extinct Dinosaur
TLDR
This work has reconstructed the appearance of a theropod dinosaur by mapping features of its well-preserved feathers and comparing them with modern samples from birds, and indicates that the body was gray and dark and the face had rufous speckles.
Earliest Evolution of Multituberculate Mammals Revealed by a New Jurassic Fossil
TLDR
A new basal multi is described from a nearly complete skeleton that shows that the underpinnings of these adaptations arose early in the evolution of the order, setting the stage for the major diversification and radiation of the group that came during the Cretaceous and Paleogene.
Mosaic evolution in an asymmetrically feathered troodontid dinosaur with transitional features
TLDR
This report reports a new troodontid from the Lower Cretaceous Jehol Group of China that has anatomical features that are transitional between long-armed basal Troodontids and derived short-armed ones, shedding new light on troodonid character evolution and suggests that feather asymmetry was ancestral to Paraves.
New Specimens of Anchiornis huxleyi (Theropoda: Paraves) from the Late Jurassic of Northeastern China
TLDR
Morphological comparisons strongly suggest Anchiornis is more closely related to avialans than to deinonychosaurians or troodontids, and closely resembles Archaeopteryx and other Jurassic paravians from Jianchang County, such as Xiaotingia and EosinopteryX.
Palaeontology: Parental care in an ornithischian dinosaur
TLDR
A dramatic specimen of the small ornithischian dinosaur Psittacosaurus sp.
Reconstruction of Microraptor and the Evolution of Iridescent Plumage
TLDR
This finding and estimation of Microraptor feathering consistent with an ornamental function for the tail suggest a centrality for signaling in early evolution of plumage and feather color.
Diversification in an Early Cretaceous avian genus: evidence from a new species of Confuciusornis from China
TLDR
A new species of Confuciusornis, the oldest known beaked bird, is erected based on a nearly complete fossil from the Early Cretaceous Yixian Formation of western Liaoning, northeast China, which suggests an arboreal habit of the new bird.
Primitive Wing Feather Arrangement in Archaeopteryx lithographica and Anchiornis huxleyi
TLDR
The wings of the archaic bird Archaeopteryx lithographica and the dinosaur Anchiornis huxleyi are redescribed and it is shown that their wings differ from those of Neornithes in being composed of multiple layers of feathers.
Melanosome evolution indicates a key physiological shift within feathered dinosaurs
Inference of colour patterning in extinct dinosaurs has been based on the relationship between the morphology of melanin-containing organelles (melanosomes) and colour in extant bird feathers. When
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