公布 中文名称：鹦鹉螺类 英文名称：nautiloids 定义：属于软体动物门头足纲。壳形包括直锥形、不同弯曲度的弓形、卷曲程度不同的旋卷形。缝合线比较简单。海生。目前已知的最早的鹦鹉螺类化石发现于华北寒武系芙蓉统
基于252个网页-相关网页
N any mollusc of the Nautiloidea, a group of cephalopods that includes the pearly nautilus and many extinct forms 鹦鹉螺目的软体动物
ADJ of, relating to, or belonging to the Nautiloidea 鹦鹉螺目的
There were large reef communities that harbored squidlike nautiloids.
海中还有大量像乌贼一样躲在礁石下软体动物。
Study of the attitudes of the fossil orthocone nautiloids indicate that the paleocurrents were from north to south during the deposition of the Sandaokan Formation.
直形壳鹦鹉螺类化石产出状态的研究等表明三道坎组古流向是自北而南的。
应用推荐