Sometimes the subject is divided into paleobotany, the study of fossil plants, paleozoology, the study of fossil animals, and PALEOECOLOGY. 有时将古生物学分为古植物学（植物化石研究）、古动物学（动物化石研究）以及古生态学。
THE TOP CONODONTS OF THE MAOKOU STAGE AND DISCUSSION ABOUT PALEOZOOLOGY IN PENGSHUI COUNTY, CHONGQUING CITY 重庆彭水地区茅口阶顶部牙形刺及古生态的初步探讨
1.Sometimes the subject is divided into paleobotany, the study of fossil plants, paleozoology, the study of fossil animals, and PALEOECOLOGY. 有时将古生物学分为古植物学（植物化石研究）、古动物学（动物化石研究）以及古生态学。
