Premise of research. Secondary phloem produced by a bifacial vascular cambium is the distinctive feature of lignophytes, the group that comprises the seed plants and the progymnosperms. Because ...

Researchers from the Faculty of Science and Technology of the University of Coimbra (FCTUC) announced the discovery of a fossil in Anadia, in Portugal's Aveiro district, which corresponds to a new ...

Dominated by carbon-rich swamps and forests proliferating across Earth's rocky surface, the Carboniferous period saw a boost in atmospheric oxygen and vast quantities of carbon dioxide trapped in what ...

This is a preview. Log in through your library . Abstract Some Carboniferous seed ferns undergo extensive secondary growth, with secondary vascular tissues occupying increased space within the axis.

Coal. It powered the industrial revolution and fueled the early development of the science of geology. When the geologic time periods were being named, mainly in Great Britain, the time during which ...

Want to get close to life millions of years ago? It's easier than you think. Here are 15 amazing fossils you could find ...

THE study of British Carboniferous plants will be stimulated and advanced by Dr. R. Crookall's book. Dr. Crookall is palæobotanist to the Geological Survey of Great Britain and is also in charge of ...

Fossil groups of ancient plants that grew more than 300 million years ago were recently discovered in Shiyan, Hubei province. [Photo provided to chinadaily.com.cn] Zhao said the Carboniferous Period ...

FOR 60m years of Earth’s history, a period known to geologists as the Carboniferous, dead plants seemed unwilling to rot. When trees expired and fell to the ground, much of which was swampy in those ...