Downtonian (Silurian) Eurypterida from Perton, near Stoke Edith, Herefordshire

Abstract
In this review of the Downtonian Eurypterida of Perton, Here-fordshire, a new genus Salteropterus and a new family Hugh-milleriidae are proposed, and the family Pterygotidae accordingly emended. Hitherto unknown morphological details of the Perton Eurypterida are described and discussed.