Polychelidan lobsters are unique decapod crustaceans characterized by having four or five pairs of claws. We still do not have a clear overview of the 69 described species of fossil polychelidans and,
本数据集记录了侏罗纪至现代316种锥螺科腹足类的壳长数据,分析其体型演化模式与过程。包含体型与纬度的相关性、演化模式(随机游走或停滞)等研究结果,涉及标本数据、统计模型结果及可视化图表,共28个文件,支持生物演化领域的宏观分析。 San Jose State University(Carlie Pietsch团队)