Riley, 1979
From dinoflaj2
Riley, L.A., 1979: Dinocysts from the Upper Kimmeridgian (pectinatus Zone) of Marton, Yorkshire. Mercian Geologist, v.7, p.219-222.
Riley, L.A., 1979: Dinocysts from the Upper Kimmeridgian (pectinatus Zone) of Marton, Yorkshire. Mercian Geologist, v.7, p.219-222.
