腹足类 meaning in English
gasteropod
gastropoda
gastropods
snails
Examples
- 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。 - Sperm bimorphism is a common phenomenon through the animal kingdom , especially in gastropod , such as most of mesogastropod and neogastropod and some of archeogastropod
精子双态现象是动物界尤其是腹足类的一个普遍现象：原始腹足类( archegastropod )中仅少数具有双态精子，中腹足类( mesogastropod )和新腹足类( neogastropod )中大多数都具有双态精子。 - From the late middle ordovician to the end of ordovician , the cephalopods , gastropods and corals in the erlangping trough , and the conodonts , coral , brachiopods , cephalopods as well as trilobites in the xichuan shelf were from the north china province
在中奥陶世晚期至奥陶纪末，二郎坪海槽的腹足类、头足类和珊瑚与浙川陆棚的牙形石、珊瑚、腕足类、头足类和三叶虫均属华北生物省。 - Many foreign scholars and a few chinese scholars have studied the ultrastructure of the mature sperm and spermatogenesis of gastropod ; however , nobody has studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis
关于腹足类软体动物精子和精子发生的超微结构，国内研究甚少，国外研究较多；但有关中国圆田螺精子和精子发生的超微结构的研究，尚未见报道。 - In the warm period , the aquatic bivalvia was well - developed , and the gastropod fauna was obviously prosperous and characteristic by large amount of the aquatic species . the alternative appearance of both cold and the warm mollascan assemblage tpyes reflects the features of the quaternary climate changes in this area
在冷期因气候干燥，环境中水量减少，腹足类化石以陆生肺螺类最为发育；在暖期水生双壳类较为发育，腹足类群明显繁盛，以水生种类的大量出现为特征。