paraconodonts相关论文
On the evolution and histology of some Cambrian protoconodonts, paraconodonts and primitive euconodo
Previous reports on the morphological evolution of protoconodonts and paraconodonts are reviewed. The evolutionary trend......
On the evolution and histology of some Cambrian protoconodonts, paraconodonts and primitive euconodo
Previous reports on the morphological evolution of protoconodonts and paraconodonts are reviewed. The evolutionary trend......
本文主要介绍对采自湘西、辽东和鲁西的寒武纪牙形石进行组织学和比较组织学研究成果中尚未发表的内容。以前认为是原牙形石的属Hu......
