From the Jurassic,Bajocian.
Collected from Burton Bradstock.
Beautiful air abraded specimen, this is one of Sydney Buckmans own classic species.
This species gets its name from the longitudinal Striated ridges,with an inflated shell and an involute umbilicus.
Still in inferior oolite matrix with partials of other fossilised debris.
The ammonite measures 38mm and with matrix is 77mm x 70mm.