Galeaspida相关论文
We present the first parsimony analysis of the agnathan subclass Galeaspida based on the analysis of 53 morphological ch......
记述了产于云南文山古木早泥盆世坡松冲组华南鱼类大窗鱼一新种--长矛大窗鱼(Macrothyraspis longilanceussp.nov.).新种头甲呈头......
基于对53个形态学特征的讨论,首次开展了无颌类盔甲鱼亚纲的简约性分析,获得了3个最简约的分支图,其步长为126,一致性指数为0.508,保留指......