预言鱼目是已经灭绝的近鲱形类古老类型,繁盛于欧美侏罗纪晚期和白垩纪早期的海洋环境,被认为是弓鳍鱼目的姐妹群。近鲱形类包括半椎鱼目、预言鱼目和弓鳍鱼目,生活在美洲淡水环境中的“活化石”弓鳍鱼是现生近鲱形类的唯一代表,在辐鳍鱼类研究中具有重要的学术价值。晚侏罗世之前的预言鱼目化石非 It is predicted that the fish head is an extinct near-herring-shaped ancient type that flourished in marine environments in the late Jurassic and Early Cretaceous in Europe and the United States and is considered as a sisters group for the purpose of bowfin. Near the herring category includes the half-dorsal head, prophecy head and bow fins head, living in the freshwater environment in the Americas “living fossil” bow fin fish is the only representative of the genus near the herring, in the fin fin fish Research has important academic value. Prediction of late Jurassic fossils non-fossils