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Guembelitrioides El-Naggar 1971
urn:lsid:organismnames.com:name:1914847
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431
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Guembelitrioides El-Naggar 1971
El-Naggar 1971. On the classification, evolution and stratigraphical distribution of the Globigerinacea. Proceedings int Conf Plankt Microfoss, 1 1971: 421-476