Pterygotioidea
| Pterygotioidea | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Merostomata |
| Order: | Eurypterida |
| Superfamily: |
Pterygotioidea Clarke & Ruedemann, 1912 |
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.
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