Acrotretida

The Acrotretida are a group of sessile, suspension-feeding brachiopods known from the Cambrian period and surviving until the present day. Their shell has a round outline, and is usually phosphatic in recent specimens.

单词	Acrotretida
释义	Acrotretida /ˌækrəu'tri:tidə/ 英汉-汉英词典顶孔目词组 \| 习惯用语您要查找的是不是： acrobatic adj. 杂技的 retroactive adj. 反动的,追溯的,有追溯力的,从以往某天开始生效 trepidation n. 惊恐；恐惧；忧虑；颤抖 accretion n. 生长；增加；连生；积累而成的东西；添加物；【地】冲积层 Acrotretida n. [无脊椎] 顶孔目；乳房贝目英语百科 Acrotretida The Acrotretida are a group of sessile, suspension-feeding brachiopods known from the Cambrian period and surviving until the present day. Their shell has a round outline, and is usually phosphatic in recent specimens.
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Acrotretida /ˌækrəu'tri:tidə/

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Acrotretida