Foraminifera source details
Williams-Mitchell, E. (1948). The zonal value of foraminifera in the Chalk of England. Proceedings of the Geologists' Association. 59(2): 91-IN4.
284874
10.1016/s0016-7878(48)80014-3 [view]
Williams-Mitchell, E.
1948
The zonal value of foraminifera in the Chalk of England
Proceedings of the Geologists' Association
59(2): 91-IN4
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Globigerina portsdownensis Williams-Mitchell, 1948 † accepted as Muricohedbergella portsdownensis (Williams-Mitchell, 1948) † (original description)
Globorotalia chaldonensis Williams-Mitchell, 1948 † (original description)
Globorotalia chaldonensis Williams-Mitchell, 1948 † (original description)