A high-resolution biostratigraphy for the Upper Oligocene (Chattian) of Jamaica using miogypsinid foraminifers, and its stratigraphic and phylogenetic significance

Mitchell, Simon

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Figure 11: Dot plots (categorical data) for X for populations from Jamaica (upper) and Drooger (Drooger, 1952, 1963; Akers & Drooger, 1957) (lower) arranged by X_m with Jamaican dataset tied to ABZ for the mid to late Oligocene.