"Pterygotus impacatus" Kjellesvig-Waering, 1964 – Silurian, Estonia*"Pterygotus kopaninensis" Barrande, 1872 – Silurian, Czech Republic*"Pterygotus lanarkensis" Kjellesvig-Waering, 1964 – Silurian, Scotland*"Pterygotus lightbodyi" Kjellesvig-Waering, 1961 – Silurian England*"Pterygotus ludensis" Salter in Huxley & Salter, 1859 – Silurian, England*"Pterygotus marylandicus" Kjellesvig-Waering, 1964 – Silurian, USA*"Pterygotus monroensis" Sarle 1902 – Silurian, USA==References==
"Pterygotus grandidentatus" Kjellesvig-Waering, 1961 — Silurian England*?