Learn about Prototaxites, a bizarre group of prehistoric organisms that fall within an unknown lineage of extinct life.
We discovered that Prototaxites, a 400 million year old giant fossil organism once thought to be a type of fungi, was most ...
Alca (Aves, Alcidae) has a comparatively rich fossil record with respect to other Charadriiformes, consisting of thousands of specimens. Despite the abundance of fossil material, species richness in ...