上一世纪末叶,乡绅Alfred Leeds在剑桥郡Peterbornugh镇的下部牛津粘土(中侏罗统,卡洛文阶)中发现巨大的鱼化石残片.它是由巨大的单个骨骼以及包括长约1公尺多的鳍条所组成.在鳃弓的残片上发现有数百颗鳃耙齿.也有一些巨大的颅骨及肋.该残骸引起A.S.Wood-ward先生的注意.1889年,他于不列颠学会的会议上宣布了这一发现.他称这一新的鱼化石为Leedsichthys problematicus(里兹鱼疑难种),因该鱼化石确实向我们提出了难题.也许最重要的问题是Leeds采到这—巨大体积的鱼化石.1889年,在Peterborugh镇的一处粘土采坑中,工人们发现了另一个Leedsichthys鱼化石的尾部.Leeds先生被召至该地并发掘 At the end of the last century, the squire Alfred Leeds found a huge fossil fossil fragment in the lower Oxford clay (Middle Jurassic, Callow Step) in the town of Peterbornugh, Cambridgeshire. It was made up of huge, single bones, And more than one fin.It was found on the fragments of the gill arch that there were hundreds of gill rakers.There were also huge skulls and ribs which attracted the attention of Mr. AS Woodood.At 1889, Announced the discovery, saying that the new fish fossil was Leedsichthys problematicus, because the fossil fish did pose a problem for us.Perhaps the most important problem was that Leeds had taken this - a huge volume of Fish fossils. In 1889, in a clay pit in the town of Peterborugh, workers found the tail of another Leedsichthys fish fossil, where Mr. Leeds was called and excavated