. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 18 ANNALS OF THE SOUTH AFRICAN MUSEUM /o Coccolithus eopelagicus (Bramlette & Riedel) Bramlette & Sullivan . 28 Coccolithus formosus (Kamptner) Wise 6 Discoaster saipanensis Bramlette & Riedel 5 Discoaster tani Bramlette & Riedel 3 Isthmolithus recurvus Deflandre 3 Reticulofenestra bisecta (Hay, Mohler & Wade) Roth .... 37 Reticulofenestra coenura (Reinhardt) Roth . . . trace Reticulofenestra umbilica (Levin) Martini & Ritzkowski . . 12 Zygrhablithus bijugatus (Deflandre) Defl
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 18 ANNALS OF THE SOUTH AFRICAN MUSEUM /o Coccolithus eopelagicus (Bramlette & Riedel) Bramlette & Sullivan . 28 Coccolithus formosus (Kamptner) Wise 6 Discoaster saipanensis Bramlette & Riedel 5 Discoaster tani Bramlette & Riedel 3 Isthmolithus recurvus Deflandre 3 Reticulofenestra bisecta (Hay, Mohler & Wade) Roth .... 37 Reticulofenestra coenura (Reinhardt) Roth . . . trace Reticulofenestra umbilica (Levin) Martini & Ritzkowski . . 12 Zygrhablithus bijugatus (Deflandre) Deflandre 4 The age can be narrowly defined by the range overlap of Discoaster saipanensis and Isthmolithus recurvus. The former ranges from middle to upper Eocene and the latter from upper Eocene to lower Oligocene. They co-occur only in the NP 19 and NP 20 zones of Martini's (1971) biostratigraphic zonal scheme, and only in the /. recurvus subzone of Bukry's (1975) zonal scheme. PL Fig. 9. Various species of Turritella weathered out of the upper Eocene rocks at Wanderfeld IV (Fig. 7).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
