【知識】魚化石

侏儸紀晚期魚類化石

此展示品是珍貴的水生脊椎動物化石，出土於中國大陸遼寧省北票，標本屬於侏羅紀晚期魚類化石。北票鱘(Peipiaosteus)其鰭長呈現放射狀，身長約3~8公分，狼鰭魚(Lycoptera)通常被發現埋於湖泊沉積化石，屬於淡水魚類且具有群聚習性，其身長約10公分且身體呈紡錘形。
These fossil rocks were found in the late Jurassic Formation, Liaoning Province, China. Peipiaosteus is an extinct genus of prehistoric ray-finned fish and its body length around 3~8 centimeters. Lycoptera fossils were commonly found in large groups, buried together quickly in fine lake sediments. The fish body length of 10 centimeters, the body is spindle shaped.