For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles ...

Only a handful of examples have occurred in the last half a billion years. The new species was named Lomankus edgecombei ...

This species is sadly an example of what can happen when arthropods are left under-researched and overlooked for conservation considerations. An intention for this site is to serve as a starting ...

Researchers formally describe Helmetia expansa, offering new insights into its anatomy, behavior and evolutionary relationships.