Fossil formations like the Burgess Shale show that evolution cannot always be thought of as a slow progression.
像波基斯页岩这样的化石层表明进化不应该总被看作是一个缓慢的过程。
The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
伯吉斯页岩地层中也有许多代表着现代动物群中已经灭绝的物种的化石。
An unusual feature of the Burgess Shale is that it is one of the earliest fossil beds to contain impressions of the soft parts of animals.
布尔吉斯叶岩不同寻常的特质在于，它是保存有生物软体结构的最古老化石。
In an area of the Atlas Mountains of Morocco the researchers have found another diverse (and sometimes bizarre) assemblage of soft-bodied organisms from a period not long after the Burgess Shale.
在摩洛哥的阿特拉斯山脉，研究人员发现了另一处保存有丰富的动物软体组织的的化石群，它的形成年代紧跟布尔·吉斯化石群之后。
The slabs of Burgess Shale that Walcott excavated contained the earliest known examples at the time of many major animal groups in the fossil record, in rocks that were about 505 million years old.
沃尔科特在伯吉斯页岩中发现的古生物化石，囊括了五亿五百万年前地球上生活的多个主要物种，这是人类第一次发现这么古老的化石。
The slabs of Burgess Shale that Walcott excavated contained the earliest known examples at the time of many major animal groups in the fossil record, in rocks that were about 505 million years old.
沃尔科特在伯吉斯页岩中发现的古生物化石，囊括了五亿五百万年前地球上生活的多个主要物种，这是人类第一次发现这么古老的化石。
应用推荐