Hadrocodium wui is an extinct mammaliaform that lived during the Sinemurian stage of the Early Jurassic approximately 195 million years ago[1] in the Lufeng Formation in what is now the …

Mar 27, 2025 · A team of U.S. and Chinese researchers led by Zhe-Xi Luo of the Carnegie Museum of Natural History identified and named the early Jurassic fossil as a new species, …

May 25, 2001 · Into this picture steps a new mammaliaform, Hadrocodium wui. Discovered in the Lufeng Basin of China in 1985, the specimen was almost entirely encased in rock and was …

May 25, 2001 · Hadrocodium sheds light on evolution of the mammalian middle ear. It is the earliest known taxon that lacks the primitive attachment of the middle ear bones to the …

May 19, 2011 · When he first described the paper clip-sized mammal Hadrocodium ten years ago, he named it for its relatively large cranium despite its appearance so early in the mammalian …

May 7, 2016 · The tiny holotype fossil of Hadrocodium has been considered to represent a very primitive ancestor of modern mammals,‭ ‬though it is not a mammal in itself.‭ ‬This means that …

Hadrocodium is the earliest known mammal, differentiated from non-mammalian vertebrates by its large brain and advanced ear structure. It is also one of the smallest known mammals, with an …

Hadrocodium is known only from a skull, but the body is estimated to have been a mere 3.2 cm (1.3 in) in length and about 2 g (0.071 oz) in mass, making it one of the smallest mammals …

Digital Morphology account of an Early Jurassic mammaliaform, Hadrocodium wui, featuring CT-generated animations of the specimen

Aug 4, 2022 · Hadrocodium. Falling evolutionarily between the docodonts and Mammalia itself, Hadrocodium is an important transitional form in the early mammal family tree. Something very …