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 ...
There are 64 species of extant gliding mammals that are currently recognized, which are divided into six different families. These comprise eight species of gliding marsupials that live within ...
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