As part of oVert, Stanley and researchers across 25 institutions took CT scans of fluid-preserved specimens representing more than half of all known vertebrate genera, lighting up the skeletons of ...

An analysis of oVert specimens revealed that frogs have lost their teeth over 20 times throughout their evolutionary history, more than any other vertebrate group. Image: openVertebrate With CT ...

Vertebrates are thought to have emerged during the Cambrian ... In the new study, the team examined the fossils with X-ray computed microtomography (micro-CT) and scanning electron microscopy—two ...