Environmental changes governed the diversity of marine ecosystems and the evolution of
marine reptiles during the Jurassic. Abrupt climatic changes, mainly cooling, produced …

Mesozoic marine ecosystems were dominated by several clades of reptiles, including
sauropterygians, ichthyosaurs, crocodylomorphs, turtles, and mosasaurs, that repeatedly …

Wales were traditionally referred to “upland” environmental settings, and assigned an
overall time range of some 60 Myr; we reject both of these viewpoints. In terms of the …

Coprolites from the Rhaetian bone beds in south-west England can be assigned to
crustaceans and fishes. Here, we report crustacean microcoprolites, including …

Triassic caves in south-west Britain contain a unique and diverse fauna of terrestrial
vertebrates, but their age is disputed since none of these taxa are known from surface strata …

Abstract During the Late Triassic and Early Jurassic, the area around Bristol and South
Wales was an archipelago of islands occupied by diverse small-sized tetrapods. The largest …

The Rhaetian transgression marked a major change in landscape. The Permian and
Triassic had been a time of terrestrial conditions across Europe, including much of mainland …

The fissure localities of the Bristol region and South Wales have yielded some of the most
important Late Triassic and Early Jurassic small tetrapods. The 'Microlestes' quarry fissure at …

Here we describe a new, previously unrecognized elasmobranch microfossil assemblage
consisting of isolated dental material from late Pliensbachian marginal marine, near-shore …

Abstract Westbury Garden Cliff has been a noted site for Rhaetian bone beds for over a
century. It is known especially as a source of excellently preserved bones of the small …