Ammonite
Ammonoidea -Cephalopoda (Poland)
Ophiuroidea – wężowidła (Morocco).
The Ophiurida are an order of echinoderms within the class Ophiuroidea. It includes the vast majority of living brittle stars.
Balteurypterus tetragonophtalmus (Ukraine)
Odontopteris Callipteridium (Poland)