==Species==Species belonging to "Pterygotus" are the following:*"Pterygotus anglicus" Agassiz, 1844 – Devonian, Scotland & Canada*"Pterygotus arcuatus" Salter "in" Huxley & Salter, 1859 – Devonian, England*?
Živel je v plitvih priobalnih območjih in prikrito napadal ribe, trilobite in druge živali.