Oblique sub-equatorial polished section of Alveolina in Mixon Limestone from off Sussex coast, Owers Bank,
English Channel. Probably Bartonian of the Western Tethys. Maximum dimension of foram is 2.9MM.
Oblique sub-equatorial polished section of Alveolina in Mixon Limestone from off Sussex coast, Owers Bank,
English Channel. Probably Bartonian of the Western Tethys. Maximum dimension of foram is 2.9MM.