A stage (52–50 Ma ago) in the Eocene of New Zealand, underlain by the Waipawan, overlain by the Heretaungan, and roughly contemporaneous with the upper Ypresian stage.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。