. "OP"@en . "Pusgillian Stage"@en . . "449.75"^^ . "449.25"^^ . . . "Pusgillian Stage"@en . "stable"@en . "Pusgillian Stage is a stage in the British regional Ordovician stratigraphic scheme. It is the first of four stages of the Ashgill Series. It is preceded by the Streffordian Stage (Caradoc Series) and succeeded by the Cautleyan Stage (Geologic Time Scale 2020, fig. 20.12)."@en .