Resolving the evolutionary relationships of early diverging ('basal') ornithischian dinosaurs
is a challenging topic in palaeontology, with multiple competing hypotheses on the …

In 2020, the Australasian palaeontological association Australasian Palaeontologists (AAP)
joined the Australian government-supported Australian National Species List (auNSL) …

Current research suggests that ornithischians originated in the Middle–Late Triassic and
achieved a global distribution by the Early Jurassic, but the Middle Jurassic was a pivotal …

Ankylosaurids but not nodosaurids possess a suite of neomorphic elements fused to the
posterior border of the skull roof. Previous authors have offered conflicting descriptions of …

Dinosaur skeletal material from the mid-Cretaceous of Canada is rare; however, the
Cenomanian-aged Dunvegan Formation of northeastern British Columbia and northwestern …

The Wealden Group of southern England was deposited by rivers, on floodplains and in
lagoons during the Early Cretaceous. Two historically significant ankylosaurs, Polacanthus …

Stegosaurs are a small but iconic clade of ornithischian dinosaurs. They and their sister
taxa, the ankylosaurs, formed the clade Eurypoda which means' broad-footed'. Here, we …

The first dinosaur discovered in the Antarctic continent was the ankylosaur Antarctopelta
oliveroi in the 1980s. Nevertheless, since then several hypotheses of phylogenetical …

Ankylosaurines are the iconic armoured dinosaurs that characterize terrestrial vertebrate
faunas in the Late Cretaceous of Asia and Laramidia (western North America). The earliest …

In the Middle Jurassic, Great Britain was situated at~ 30° north in an area of shallow seas
with surrounding low-lying landmasses. Fluctuations in relative sea level resulted in …