Researchers reveal Prototaxites, a giant Devonian fossil, was not a fungus or plant but a unique extinct lineage.
Scientists then leaned towards it being a giant fungus, but the classification remained uncertain. A 2007 study even ...
Early placoderms fed on mollusks and other invertebrates ... Despite their heavy protection, these primitive fishes weren't built to last. The Devonian ancestors of fishes living today belonged ...
How did Earth's earliest seed plants capture pollen to reproduce? A team of scientists has uncovered new clues by ...