Two hundred and thirty million years ago, in what's now Wyoming, the seasons were dramatic. Torrential rain would pelt the region for months on end, and when the mega-monsoon ended, the region became ...

Trace fossils, the preserved records of biological activity, provide a unique window into the interactions between ancient organisms and their sedimentary settings. By recording behaviours such as ...

Trace fossils capture the presence and behaviours of ancient organisms in the form of trackways, trails, and burrows preserved in the rock record. They are important sources of evidence for ...

Paleontologists have revealed the fossilized remains of a curious creature that is not only one of Earth's oldest animals, but may even be the first to have ever been mobile. Dubbed Quaestio ...

Introduction. Ichnology : present trends and some future directions / Richard G. Bromley [and others] -- part 1. Concepts and reviews -- part 2. Ethology and ecology : linking trace fossils and ...

Millions of years ago, Oregon was wild — shorebirds foraged for worms in shallow waters, massive cat-like predators hunted smaller mammals, and ancient tapirs (or rhinoceroses) roamed the land.

Sleuthing dinosaurs -- These feet were made for walking, running, sitting, swimming, herding, and hunting -- The mystery of Lark Quarry -- Dinosaur nests and brining up babies -- Dinosaurs down ...

An illustration from the paper, depicting Ninumbeehan digging a burrow in a riverbed for the dry season and then re-emerging when the monsoon returned. Higher res tif file available on request at ...