A series in the Lower Jurassic of New Zealand, underlain by the Balfour (Triassic), overlain by the Kawhia, and comprising the Aratauran and Ururoan stages. It is roughly contemporaneous with the Lias and Aalenian.
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。