Porsgrunn Formation

Norwegian: Porsgrunnformasjonen
Superior unit: Bærum Group
Age: Llandovery - Llandovery
Geographic distribution: Porsgrunn
Type locality: Øyekastveien, Porsgrunn
Type locality map coordinates (ED50): NL369554-370555
Parish (number): Porsgrunn (805)
Reference: Cocks & Worsley, 1993 page: 42-43
Additional refs. / originally described in: (same)