Study and analysis of brachipod fossils reveal that brachipod distribution was mainly controled by tempreture during the early period of late Carboniferous.

• 通过晚石炭世早期腕足动物化石资料分析研究,发现该期腕足动物分布主要受温度控制,温度在控制该期全球腕足动物大区一级分布十分明显。