Often, they'd find the remains of shellfish-like animals like ammonites and bullet-shaped belemnites.

通常，他们会发现菊石和子弹形箭石等贝类动物的遗骸。

His undoing began when a committee of the Royal Society-a committee of which he happened to be chairman decided to award him its highest honor, the Royal Medal, for a paper he had written on an extinct mollusc called the belemnite.

英国皇家学会的一个委员会——欧文恰好是该委员会的主席决定授予他最高的荣誉：英国皇家勋章，表彰他写的一篇关于一种名叫箭石的、已经绝种的软体动物的论文。