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Early Mid-Oligocene (Whaingaroan-Duntroonian) diastems marked by surfaces of biogenic excavations on the east coast of the South Island, New Zealand.
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The Geology of the eastern Omihi district, North Canterbury, New Zealand.
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Sedimentary history of the lowermost Otaian horizon in north Canterbury, New Zealand.
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A Paleoenvironmental study of the definition of the Otaian Stage at its type section, Bluecliffs, Otaio River, south Canterbury, New Zealand.
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Dinoflagellate systematics and biostratigraphy of the Teurian Stage (Paleocene), Middle Waipara, North Canterbury.