首次报道了广东饶平海山区腹足类。
It has been little known about gastropods in Raoping of Guangdong Province.
腹足类的一个很大的目，包含单壳软体动物，有一个梳状鳃。
Large order of gastropods comprising univalve mollusks that have a single gill resembling a comb.
肉食性腹足类减少了草食性软体动物和固着无脊椎动物的数量；
Predaceous gastropods reduced the abundance of herbivorous molluscs and sessile invertebrates.
调查期间采到的软体动物已鉴定52种，其中腹足类45种，双壳类7种。
Among 52 species of mollusca identified, 45 were gastropods, 7 were bivalves.
具有螺旋状的螺转体的，塔楼状的，如某些有高螺旋圆锥体的腹足类动物的壳。
Having the shape or form of a turret, as certain long-spired gastropod shells.
以往曾依该岩群岩块中的珊瑚、腕足类、腹足类化石等划分为晚奥陶世或古生代。
On the basis of fossils yielded from the exotic blocks, the age of this group-complex was defined to the Late Ordovician or the Paleozoic.
摘要柴达木盆地西部第三系的碳酸盐岩层中发现有藻类、介形虫、有孔虫、腹足类、多毛类等化石。
The fossils of algae, ostracoda, foraminifera, gastropod and polychaeta were found in the tertiary carbonate beds in the west of chaidamu basin.
摘要柴达木盆地西部第三系的碳酸盐岩层中发现有藻类、介形虫、有孔虫、腹足类、多毛类等化石。
The fossils of algae ostracoda foraminifer a gastropod and polychaeta were found in the tertiary carbonate beds in the west of chaidamu basin.
本次研究在西峡盆地含恐龙蛋地层中首次发现了无脊椎动物化石，如双壳类、叶肢介、腹足类和介形类。
Now we have recovered invertebrate fossils, such as bivalves, conchostracans, gastropods and ostracodes, in the dinosaurian egg-bearing strata.
湖泊生物种群少且生物量低，缺失蓝藻和腹足类、瓣鳃类、甲壳类动物等为其区别于一般中、碱性湖泊最显著的特点。
Few species, low biomass and lack of blue green algae, Gastropoda, Lamellibranchia and Crustacea are most notable characteristics distinguished from general neutral and alkaline lakes.
湖泊生物种群少且生物量低，缺失蓝藻和腹足类、瓣鳃类、甲壳类动物等为其区别于一般中、碱性湖泊最显著的特点。
Few species, low biomass and lack of blue green algae, Gastropoda, Lamellibranchia and Crustacea are most notable characteristics distinguished from general neutral and alkaline lakes.
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