Paleontologists have identified the 410-million-year-old specimens of Spongiophyton nanum from the Ponta Grossa Formation in the Paraná Basin of Brazil as one of the oldest and most widespread lichens from the fossil record.
An artistic…

Paleontologists have identified the 410-million-year-old specimens of Spongiophyton nanum from the Ponta Grossa Formation in the Paraná Basin of Brazil as one of the oldest and most widespread lichens from the fossil record.
An artistic…