Here is a Vireux Asteropyge as a inexepnstive example in a quite npleasing “Z” posing. In the past where practically all Asteropyge Vireux labeld as Asteropyge punctata.
Location:
Vireux, France
Size:
about 26 mm wide
Age:
Middle Devonian, Eifilian , Assise de Bure (about 430 Ma)