ammonoidean species
菊石物种
ammonoidean fossils
菊石化石
extinct ammonoidean
已灭绝菊石
ammonoidean shell
菊石壳
ammonoidean genus
菊石属
an ammonoidean
一种菊石
these ammonoideans
这些菊石
ammonoidean morphology
菊石形态
ammonoidean evolution
菊石进化
the ammonoidean
菊石类
the ammonoidean fossil was discovered in the jurassic limestone.
这块菊石化石是在侏罗纪石灰岩中发现的。
scientists identified a new ammonoidean species from the triassic period.
科学家从三叠纪时期鉴定了一个新的菊石物种。
the ammonoidean shell displays intricate suture patterns.
菊石壳显示出复杂的缝合线图案。
ammonoidean morphology provides insights into ancient marine life.
菊石形态为了解古代海洋生物提供了见解。
the ammonoidean evolution spanned over 300 million years.
菊石的演化延续了超过3亿年。
the mass extinction event eliminated many ammonoidean genera.
大规模灭绝事件消灭了许多菊石属。
paleontologists study ammonoidean faunas to understand past ecosystems.
古生物学家研究菊石动物群以了解过去的生态系统。
the ammonoidean classification has undergone significant revisions.
菊石分类经历了重大修订。
ammonoidean sutures are important for taxonomic identification.
菊石缝合线对于分类学鉴定非常重要。
the ammonoidean record spans from the devonian to the cretaceous.
菊石记录从泥盆纪延续到白垩纪。
researchers use ct scanning to examine ammonoidean internal structures.
研究人员使用ct扫描来检查菊石的内部结构。
the ammonoidean bloom occurred during the mesozoic era.
菊石的繁荣发生在中生代时期。
ammonoidean species
菊石物种
ammonoidean fossils
菊石化石
extinct ammonoidean
已灭绝菊石
ammonoidean shell
菊石壳
ammonoidean genus
菊石属
an ammonoidean
一种菊石
these ammonoideans
这些菊石
ammonoidean morphology
菊石形态
ammonoidean evolution
菊石进化
the ammonoidean
菊石类
the ammonoidean fossil was discovered in the jurassic limestone.
这块菊石化石是在侏罗纪石灰岩中发现的。
scientists identified a new ammonoidean species from the triassic period.
科学家从三叠纪时期鉴定了一个新的菊石物种。
the ammonoidean shell displays intricate suture patterns.
菊石壳显示出复杂的缝合线图案。
ammonoidean morphology provides insights into ancient marine life.
菊石形态为了解古代海洋生物提供了见解。
the ammonoidean evolution spanned over 300 million years.
菊石的演化延续了超过3亿年。
the mass extinction event eliminated many ammonoidean genera.
大规模灭绝事件消灭了许多菊石属。
paleontologists study ammonoidean faunas to understand past ecosystems.
古生物学家研究菊石动物群以了解过去的生态系统。
the ammonoidean classification has undergone significant revisions.
菊石分类经历了重大修订。
ammonoidean sutures are important for taxonomic identification.
菊石缝合线对于分类学鉴定非常重要。
the ammonoidean record spans from the devonian to the cretaceous.
菊石记录从泥盆纪延续到白垩纪。
researchers use ct scanning to examine ammonoidean internal structures.
研究人员使用ct扫描来检查菊石的内部结构。
the ammonoidean bloom occurred during the mesozoic era.
菊石的繁荣发生在中生代时期。
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