Mr. Knecht was searching for fossils near a swamp and found a promising rock outcrop.
耐克特先生在泥沼旁找寻化石时发现了一块感觉会有化石的外露石块。
Mr. Knecht said that 315 million years ago, this place was near the side of a steep hill where sediment piled up quickly.
耐克特先生说在3亿1千5百万年前，该地处于已做陡峭的山峰旁，积淀层很快就会堆积起来。
Benner and Knecht presented their find in September at the Second International Congress on ichnology-the study of fossilized animal tracks-in Krakow, Poland.
九月份，在波兰克拉科夫举行的第二届国际化石足迹学会议上，Benner和Knecht展示了他们的发现。
Benner and Knecht presented their find in September at the Second International Congress on ichnology-the study of fossilized animal tracks-in Krakow, Poland.
九月份，在波兰克拉科夫举行的第二届国际化石足迹学会议上，Benner和Knecht展示了他们的发现。
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