Kingdom Animalia Subphylum Chelicerata Higher classification Eurypterid | Phylum Arthropoda Order Eurypterida Rank Superfamily | |
Similar Eurypterid, Chelicerata, Arthropod, Pterygotus, Slimonia | ||
Pterygotioidea is an extinct superfamily of Palaeozoic eurypterids, and includes the family Pterygotidae together with the more basal genera Hughmilleria, Herefordopterus and Slimonia. A total of around 54 species in 9 genera are included in the superfamily.
References
Pterygotioidea Wikipedia(Text) CC BY-SA