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侏罗纪原始大西洋的双壳类数据反映了3次区域性海生无脊椎动物绝灭事件,分别出现于Pliensbachian末期,Callovian初期以及Tithonian期.其中以Tithonian事件规模最大,影响范围最广.海平面变化以及所伴随的环境恶化是导致绝灭的主要原因.
The bivalve data of the Jurassic original Atlantic Ocean reflect the extinction events of three regional marine invertebrates, which occurred in the late Pliensbachian, the early Callovian and the Tithonian, of which the Tithonian event was the largest and the most influential Plane changes and the accompanying deterioration of the environment are the main causes of extinction.