Skates are cartilaginous fish whose body plan features enlarged wing-like pectoral fins, enabling them to thrive in benthic environments. However, the...
Paleontologists have examined the fossilized remains of Tujiaaspis vividus, a species of galeaspid that lived 436 million years ago (Silurian period) in...
A new species of shark with hypertrophied, slender pectoral fins has been identified from the fossilized remains discovered in northern Mexico.
Life reconstruction...
A 1.57-m (5.2-foot) long specimen of Elpistostege watsoni from the Devonian period of Canada has yielded the missing evolutionary link in the fish to tetrapod...
