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Holoptychius

Holoptychius is an extinct genus of porolepiform lobe-finned fish from the Devonian period. It is known from fossils worldwide.

1、全褶鱼

...世界上最古老和最原始的灵长类动物，生活于古新世。普尔加托里猴体型较小，外形像现代的松鼠。主要生... 全褶鱼全褶鱼(Holoptychius)是泥盆纪中晚期淡水水域及近海的重要掠食者。呈流线型,约50厘米（20英寸）长，像其他硬骨鱼类一样捕食。

地球科学

生物学

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