Jasmundi - acutirostris Zone

From Earthwise
Jump to navigation Jump to search

Definition: From first appearance of Gisilina jasmundi to immediately below the first appearance of Rugia acutirostris (Johansen & Surlyk, 1990).

Zone not proved in Norfolk, but inferred to occupy an unexposed interval in the Norfolk succession (Johansen & Surlyk, 1990).