The oldest known turtle, first described in 1887 from the Triassic Stubensandstein of Württemburg, Germany. It possessed teeth, and stout ribs on the neck vertebrae.
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。