Duxbury, 1977
From dinoflaj2
Duxbury, S., 1977: A palynostratigraphy of the Berriasian to Barremian of the Speeton Clay of Speeton, England. Palaeontographica, Abteilung B, v.160, no.1-3, p.17-67, pl.1-15.
Duxbury, S., 1977: A palynostratigraphy of the Berriasian to Barremian of the Speeton Clay of Speeton, England. Palaeontographica, Abteilung B, v.160, no.1-3, p.17-67, pl.1-15.
