lichen
Orange-Colored Lichens Helping Paleontologists Discover Dinosaur Fossils
kakameo
Lichens are symbioses of fungi and algae (and/or cyanobacteria) that play important ecological roles and colonize many substrates, including fossils. ...
Lichens Were Already Widespread in Early Devonian, Enigmatic Fossils from Brazil Show
kakameo
Paleontologists have identified specimens that are 410 million years old. Spongiophyton nanus from the Ponta Grossa Formation in the Paraná ...
