Carcinosoma spiniferus, among others. In the other hand, the Late Silurian of Herefordshire, where most of the fossils of Herefordopterus have been discovered, was home to a wide array of different eurypterids, like Erettopterus gigas, Eurypterus cephalaspis, Nanahughmilleria pygmaea, Marsupipterus sculpturatus, Salteropterus abbreviatus and potentially Slimonia (depending on the identity of S. stylops). See also List of eurypterid genera Timeline of eurypterid research Pterygotidae Slimonidae References Silurian animals Pterygotioidea Prehistoric arthropod families